Seiko Cal. 6637 - 632

This Solar model from 1972 features a 35mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-6e2083fb1183]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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