Seiko Cal. 6637 - 785

This Quartz model from 1974 features a 35mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8d9729419a11]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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