Seiko Cal. 5637 - 904

This Solar model from 1976 features a 44mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-c836d0239506]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1976

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