Seiko SSA285: 45 mm case, 100 m water resistance.
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Specifications
Specifications from Creation Watches, last seen 2026-09-22.
Movement
- Movement
- Automatic
Case & crystal
- Case material
- Stainless steel
- Case diameter
- 45mm
- Case thickness
- 13.4mm
- Lug width
- 22mm
- Crystal
- Hardlex crystal
Resistance
- Water resistance
- 100 m
Catalogue
- Family
- SSA
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| SSA285J1 | J1 | Japan | Nylon | Pin buckle | — |
| SSA285K1 | K1 | International | Nylon | Pin buckle | — |