Seiko Cal. 5637 - 821

This Solar model from 1966 features a 39mm Titanium case. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-e455dfb613e9]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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