5 Sports SRPD55

SRPD55 · US specification

An automatic watch with a day/date display, a rotating bezel and a steel case.

Seiko SRPD55 · US SPECIFICATION · Image at Seiko ↗

The essential details.

Movement: 4R36 · automatic, manual winding
Diameter: 42.5 mm
Thickness: 13.4 mm
Lug-to-lug: 46.0 mm
Power reserve: Approximately 41 hours
Water resistance: 10 bar

Specifications refer to the manufacturer’s US SRPD55 page. Regional suffixes and other references are not automatically interchangeable. A water-resistance rating alone is not a diving certification.

Source & scope

Manufacturer specifications checked on 2026-09-17. This is a desk-researched profile, not a hands-on review or authentication of an individual watch.

Read the official Seiko specification ↗

Brand names identify the products discussed. No brand endorsement or authorised-dealer relationship is implied.

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