Seiko Cal. 5641 - 875

This Solar model from 1978 features a 36mm Two-Tone case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-c738f485b591]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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