Seiko Cal. 6635 - 565

This Quartz model from 1968 features a 36mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-36053cae8147]

Also known as: Turtle, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

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