Seiko Cal. 6637 - 100

This Solar model from 1965 features a 38mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-ed12d655a56a]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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