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STEELDIVE SD1970
Ref. SD1970
Case
- Diameter
- 43.8mm
- Thickness
- 13.5mm
- Lug-to-lug
- 47mm
- Lug width
- 20mm
- Material
- Ceramic
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
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 SD1970 (ref. SD1970) is an automatic watch, with a 43.8mm ceramic case, 13.5mm thick, powered by the Seiko NH35 movement. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $115.
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