Seiko
5 Sports
Why It Matters
The everyday automatic that carries the Seiko 5 name into the present. The Seiko 5 line dates to the 1960s, and its current SRPD55 representative pairs the workhorse automatic caliber 4R36 with a 42.5mm steel case, a black day-date dial, a unidirectional rotating bezel and a see-through caseback. This is a model-level gateway object: the specifications here describe the SRPD55 reference, not every watch in the broad and evolving Seiko 5 Sports range.
Object Details
- Brand
- Seiko
- Family
- 5 Sports
- Model
- 5 Sports
- Reference
- SRPD55 (representative)
- Production
- Current production
- Case
- 42.5mm
- Material
- Stainless steel
- Movement
- Automatic Cal. 4R36, 24 jewels (hand-winding and hacking; ~41h)
- Dial
- Black dial; day-date; LumiBrite hands and markers
- Complication
- Day-date; unidirectional rotating bezel
- Water Resistance
- 100m
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