Seiko Cal. 5256 - 431

This Solar model from 1988 features a 37mm Stainless Steel case. Powered by the 5256 caliber with 22j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-93c74a90ae52]

Also known as: Navigator, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1988

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