The Seiko caliber NH38A is a 3-hander “no-date” automatic watch movement with 24 jewels. It is a true no-date without a phantom date crown position. Many watch enthusiasts would agree that that the NH38 is the definition of a solid, no-frills workhorse movement. The NH38 series has an open balance wheel at 9:00 on the dial side.

2025年2月20日 · For GMT and travel watches: Choose NH34. For a simple and reliable automatic watch with a date function: Choose NH35. For a day-date watch: NH36 is the best option. For an open-heart or minimalistic design: NH38 is the preferred choice. For a no-date, symmetrical look without open-heart compatibility: NH39 is ideal.

It really depends on what you need from a watch! If you like simple minimalist 3 hand watches, then the NH38A is for you. If you like have a 24 hour subdial, then go for a watch with the NH37A. Let the community know which caliber you prefer and why in the comments below…

2022年10月18日 · The NH38 is the simplest of the NH movement, with just three hands and the normal 4R3x capabilities. The NH38 is featured in basic dial watches. You can also find the Seiko variant 4R38 in a few more dressier watch designs by Seiko.

The Seiko NH38 is a 24-jewel automatic movement known for its durability and accuracy. Designed without a date function, it offers a clean dial layout, making it ideal for watch modding. With a self-winding mechanism and a 41-hour power reserve, it ensures consistent performance.

2022年6月22日 · The NH35 (Seiko 4R35), NH36 (Seiko 4R36), NH37 (Seiko 4R37), NH38 (Seiko 4R38), NH39 (Seiko 4R39) are all derived from the 4R3x movement. Initially introduced in 2011 by Seiko Instruments Inc., the NH movement line quickly formed a powerful position in the industry due to its long-lasting performance and excellent quality in comparison to other ...

2024年6月25日 · Suitable for – Watch modding 7S26 upgrade; Additional info – A very popular modding movement. Upgrade to 24 Jewels with hacking and hand winding feature. Used for no day/date dials and suitable for “open heart” dial option

Self-winding movement without from the NH Basic Mechanical Series. Full details and images of the Time Module caliber NH38, including a list of all watches using this movement.

The Seiko NH38 movement is the unbranded version of the Seiko 4R38 movement. The Seiko NH38 is based off of the NH36 and is identical in size and includes hacking, hand winding, and a 41-hour power reserve. The NH38 is perfect for open heart dials, and dateless dials in order to avoid the phantom date change.

Manufacturer Seiko (SII, TMI) Caliber Number NH38, NH38A Movement Type Automatic, self-winding mechanical Diameter 27.40mm Casing Diameter 29.36mm Height 5.32mm...