FAQ

SeikoMods adalah modifikasi dari jam tangan Seiko. Mesinnya 100% asli, namun untuk bagian body dan parts lainnya, kami outsource dan rakit sendiri.

1. Seiko NH35 - Automatic - Submariner, nautilus, royal oak, datejust, Yacthmaster, aquanaut, santos.

2. Seiko NH34 - Automatic + GMT - Submariner GMT

3. Quartz VK63 - Battery - Daytona, Royal Oak Chrono, Royal Oak Offshore, speedmaster, Nautilus chrono (semua yang ada fitur chrono itu pake VK63)

Ya, mesinnya 100% original. Namun, untuk body, kaca, dan strap, semuanya kami cari dan rakit sendiri. Seiko memproduksi mesin automatic-nya secara massal, seperti 4R35/36 yang dikenal sebagai NH35. Mesin ini digunakan di berbagai produk Seiko original seperti Seiko Sports 5.

Kami berkolaborasi dengan profesional watchmaker dari Indonesia dan memiliki channel outsourcing yang lebih unggul sehingga dapat memberikan kualitas dan harga terbaik untuk konsumen

Kami menggunakan bahan degan kualitas terbaik. Modifikasi kami dilakukan oleh profesional yang ahli di bidangnya, dan jam tangan kami terbukti bisa digunakan untuk diving. Kami juga memiliki jalur pembelian yang efisien sehingga dapat menekan biaya tanpa mengorbankan kualitas.

- Jam kami telah diuji untuk diving hingga kedalaman 18 meter.
- Terjual lebih dari 1000 unit.
- Dimodifikasi oleh modder berkualitas.
- Pelayanan customer service yang fast response dalam waktu kurang dari 15 menit.
- Garansi 2 tahun.
- Toko offline di kota-kota besar.

Ya, jika Anda membeli jam tangan di Shirojira dan sudah melewati masa garansi, kami dapat membantu servis jam tangan Anda dengan biaya tertentu.

The NH35 is a well-regarded automatic movement produced by Seiko Instruments Inc. (SII). It is widely used in many affordable and mid-range automatic watches due to its reliability, durability, and ease of service. Here are the key features and characteristics of the NH35 movement:

Automatic Movement: The NH35 is a self-winding movement that also allows for manual winding. It harnesses the wearer's wrist movements to wind the mainspring.

Vibrations per Hour (VPH): It operates at a frequency of 21,600 vibrations per hour (3 Hz), providing a balance between accuracy and power reserve.

Power Reserve: The NH35 has a power reserve of approximately 41 hours when fully wound.

Accuracy: While factory specifications often state an accuracy of -20 to +40 seconds per day, many watches with the NH35 movement achieve better performance, often within +/-10 seconds per day after regulation.

Hacking Feature: The movement features hacking seconds, allowing the second hand to be stopped when setting the time for precise synchronization.

Jewels: It contains 24 jewels, which reduce friction and wear in the movement's gear train.

Date Function: The NH35 includes a date complication, usually displayed at the 3 o'clock position. The date can be quickly set via the crown.

Durability: Known for its robustness and reliability, the NH35 can withstand daily wear and tear and is resistant to shocks and magnetic fields to a certain extent.

Widely Used: Due to its reliability and cost-effectiveness, the NH35 is a popular choice among many watch brands, from microbrands to larger established companies.

The NH34 is another automatic movement produced by Seiko Instruments Inc. (SII) and is part of their NH series. This movement is known for its reliability, durability, and added functionality. Here are the key features and characteristics of the NH34 movement:

Automatic Movement: The NH34 is a self-winding movement that also supports manual winding. It uses the natural motion of the wearer's wrist to wind the mainspring, ensuring continuous operation.

Vibrations per Hour (VPH): The NH34 operates at a frequency of 21,600 vibrations per hour (3 Hz), which provides a balance between accuracy and power reserve.

Power Reserve: It offers a power reserve of approximately 41 hours when fully wound.

Accuracy: The NH34 typically has an accuracy range of -20 to +40 seconds per day, though many watches with this movement achieve better performance after proper regulation.

Hacking Feature: This movement includes hacking seconds, allowing the second hand to stop when setting the time for precise synchronization.

Jewels: The NH34 contains 24 jewels, which help reduce friction and wear in the movement's gear train, enhancing its longevity and performance.

GMT Function: One of the standout features of the NH34 is its GMT (Greenwich Mean Time) complication, which allows the wearer to track a second time zone using an additional GMT hand. This makes the NH34 particularly useful for travelers and those who need to keep track of time in different regions.

Date Function: The NH34 includes a date complication, usually displayed at the 3 o'clock position, adding practicality to its features.

Durability: Known for its robustness and reliability, the NH34 can endure daily wear and tear and is resistant to shocks and magnetic fields to a certain extent.

Versatility: Due to its GMT function and durable construction, the NH34 is a versatile movement suitable for various watch styles, including travel, sports, and everyday watches.

Overall, the NH34 movement is valued for its dependability, added GMT functionality, and robust design, making it a favored choice among watchmakers and enthusiasts who appreciate practical and reliable timekeeping with the ability to track multiple time zones.

The NH38 is another reliable automatic movement from Seiko Instruments Inc. (SII), part of their NH series. This movement is appreciated for its simplicity and durability, making it a popular choice for many watch brands. Here are the key features and characteristics of the NH38 movement:

Automatic Movement: The NH38 is a self-winding movement that also allows for manual winding. It harnesses the wearer's wrist movements to wind the mainspring, providing convenience and reliability.

Vibrations per Hour (VPH): The NH38 operates at a frequency of 21,600 vibrations per hour (3 Hz), ensuring a smooth and consistent movement.

Power Reserve: It has a power reserve of approximately 41 hours when fully wound, offering good autonomy for the wearer.

Accuracy: The NH38 typically has an accuracy range of -20 to +40 seconds per day. With proper regulation, the accuracy can often be improved.

Hacking Feature: The movement includes hacking seconds, allowing the second hand to be stopped when setting the time for precise synchronization.

Jewels: The NH38 contains 24 jewels, which help reduce friction and wear in the movement's gear train, enhancing its longevity and performance.

Durability: Known for its robustness, the NH38 is built to withstand daily wear and tear. It is also resistant to shocks and magnetic fields to a certain extent, ensuring long-term reliability.

Versatility: The NH38 is a versatile movement used in various watch styles, from dress watches to sports watches, due to its straightforward design and dependable performance.

The NH70 is an automatic movement produced by Seiko Instruments Inc. (SII) and is part of the NH series. This movement is known for its reliability and is used in various automatic watches, particularly those with open-heart or skeleton designs. Here are the key features and characteristics of the NH70 movement:

Automatic Movement: The NH70 is a self-winding movement that also supports manual winding. It uses the natural motion of the wearer's wrist to wind the mainspring.

Vibrations per Hour (VPH): The NH70 operates at a frequency of 21,600 vibrations per hour (3 Hz), providing a good balance between accuracy and power reserve.

Power Reserve: It offers a power reserve of approximately 41 hours when fully wound.

Accuracy: The NH70 has a typical accuracy range of -20 to +40 seconds per day, though actual performance can often be better after regulation.

Hacking Feature: This movement includes hacking seconds, allowing the second hand to stop when setting the time, enabling precise synchronization.

Jewels: The NH70 contains 24 jewels, which help reduce friction and wear in the movement's gear train.

Open-Heart Design: The NH70 is often used in watches with open-heart or skeleton designs, as it is specifically designed to highlight the movement's inner workings, offering a visually appealing mechanical display.

Durability: Known for its robustness and reliability, the NH70 can endure daily wear and tear and is resistant to shocks and magnetic fields to a certain extent.

The VK63 movement is a hybrid mechanical-quartz chronograph produced by Seiko. It combines the accuracy of quartz with the aesthetic and functional appeal of mechanical movements. Here are some key features and characteristics:

Hybrid Movement: The VK63 uses a battery to power the quartz timing module, ensuring high accuracy, while the chronograph functions are mechanically operated, providing a smooth sweep of the chronograph second hand.

Functions:

Chronograph: It includes a 60-minute chronograph with a central second hand and sub-dials for tracking elapsed time.
Three Sub-dials: Typically, it features a 24-hour display, a 60-minute counter, and a running seconds sub-dial.
Date Display: It often includes a date window, enhancing its practicality.
Accuracy: The quartz timekeeping mechanism ensures precise timekeeping, often accurate to within a few seconds per month.

Battery Life: The VK63 has an extended battery life, often lasting several years before needing replacement.

Reliability: Known for its durability and reliability, it requires minimal maintenance compared to fully mechanical movements.

Smooth Chronograph Operation: The chronograph second hand sweeps smoothly, mimicking the movement of traditional mechanical chronographs.

The VK64 is a hybrid mechanical-quartz chronograph movement produced by Seiko's Time Module Inc. (TMI). This movement combines the precision of quartz with the mechanical feel and functionality of a traditional chronograph. Here are the key features and characteristics of the VK64 movement:

Hybrid Movement: The VK64 combines quartz timekeeping with mechanical chronograph functions, providing both accuracy and the tactile experience of a mechanical chronograph.

Chronograph Functions:

Central Chronograph Hand: The large central hand is used for measuring seconds.
60-Minute Counter: The sub-dial at the 9 o'clock position typically counts up to 60 minutes.
Chronograph Reset: The chronograph hands snap back to zero instantly when reset, similar to a mechanical chronograph.
Three Hands: In addition to the chronograph hands, it has standard hour and minute hands. There is no running seconds hand in this movement, which is different from many other chronograph movements.

Accuracy: As a quartz movement, the VK64 offers high precision, usually within a few seconds per month.

Battery Life: The VK64 has a long battery life, often lasting several years (typically 2-3 years) before needing replacement, depending on usage.

Compact Size: The movement is designed to fit into a variety of case sizes, making it versatile for different watch designs.

Reliability: Known for its robustness and minimal maintenance needs, the VK64 is a reliable choice for many watch brands.

Smooth Operation: The chronograph operation mimics the feel of a mechanical chronograph, with a smooth sweeping motion of the chronograph second hand when activated.

The VJ24 is a quartz movement produced by Time Module Inc. (TMI), a subsidiary of Seiko Holdings Corporation. It is known for its reliability and is commonly used in affordable quartz watches. Here are the key features and characteristics of the VJ24 movement:

Quartz Movement: The VJ24 is powered by a battery, providing high accuracy and low maintenance compared to mechanical movements.

Accuracy: Quartz movements like the VJ24 are known for their precision, typically accurate to within ±20 seconds per month.

Battery Life: The VJ24 offers a long battery life, usually around 2-3 years, depending on the usage and functions of the watch.

Functions:

Three Hands: It features three hands (hours, minutes, and seconds) for straightforward timekeeping.
Date Display: The VJ24 often includes a date function, typically displayed at the 3 o'clock position, adding practical utility.
Compact Size: The movement is compact, making it suitable for a wide range of watch designs, including slimmer and smaller cases.

Reliability: The VJ24 is known for its durability and consistent performance, requiring minimal maintenance over its lifespan.

Ease of Use: Quartz movements are user-friendly, with simple time and date setting mechanisms, and they do not require winding like mechanical movements.

Affordable: Being a quartz movement, the VJ24 is cost-effective, making it an attractive option for budget-conscious watchmakers and consumers.

Versatility: Due to its compact size and straightforward functions, the VJ24 can be used in various types of watches, from casual to dressy styles.