SpecStudio
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STEELDIVE SD1980
Ref. SD1980
$248Stock unknown
Case
- Diameter
- 45mm
- Thickness
- 15mm
- Lug-to-lug
- 54.5mm
- Lug width
- 22mm
- Material
- Ceramic
- Water resistance
- 1000m
Crystal & dial
- Crystal
- Sapphire
Movement
- Caliber
- Seiko NH35
- Type
- Automatic
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.
Design language
- Case shape
- round
- Dial style
- standard
- Bezel
- rotating_unidirectional
- Bracelet
- metal_mesh_milanese
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Market prices.
Retail$248
eBay listings
- STEELDIVE SD1980 — One-piece Case 1000M NH35 Automatic Dive WatchNew with box and papers · US$319
- STEELDIVE SD1980 — One-piece Case 1000M NH35 Automatic Dive WatchNew with box and papers · US$319
- STEELDIVE SD1980 — One-piece Case 1000M NH35 Automatic Dive WatchNew with box and papers · US$319
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In a nutshell
The STEELDIVE SD1980 (ref. SD1980) is an automatic watch, with a 45mm ceramic case, 15mm thick, powered by the Seiko NH35 movement. Water resistance is rated to 1000m, under a sapphire crystal. Manufacturer MSRP is $248.
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