Seiko SSA455: caliber 4R72, 40.5 mm case, 50 m water resistance.
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Specifications
Specifications from Seiko, Creation Watches, last seen 2026-09-21.
Movement
- Caliber
- 4R72 All 4R72 watches →
- Movement
- Automatic
- Power reserve
- 41h
- Jewels
- 24
Case & crystal
- Case material
- Stainless steel
- Case diameter
- 40.5mm
- Case thickness
- 11.6mm
- Lug to lug
- 47.5mm
- Lug width
- 20mm
- Crystal
- Box-shaped Hardlex
Resistance
- Water resistance
- 50 m
Catalogue
- Family
- SSA
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| SSA455J1 | J1 | Japan | Cow leather | Three-fold clasp with push button release | — |