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STEELDIVE SD1975S
Ref. SD1975S
Case
- Diameter
- 47.5mm
- Thickness
- 15mm
- Material
- CuSn8 Bronze
- Water resistance
- 300m
Movement
- Caliber
- Seiko NH35
- Type
- Automatic
- Hacking
- No
- Hand-winding
- No
- Complications
- Time only
Seiko
Seiko's third-party supply version of the 4R35, sold to external watch brands and modders worldwide. Adds hacking and hand-winding over the 7S26 it effectively replaced. The NH35 has become the default automatic movement for watch modding and microbrand watches, thanks to its low cost, reliability, and wide availability of compatible parts including dials, hands, and cases in the Seiko-compatible format.
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In a nutshell
The STEELDIVE SD1975S (ref. SD1975S) is an automatic watch, with a 47.5mm cusn8 bronze case, 15mm thick, powered by the Seiko NH35 movement. Water resistance is rated to 300m. Manufacturer MSRP is $169.
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