Seiko Cal. 6635 - 679

The Seiko 6635-679 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3ad6f2f083a0]

Also known as: Samurai, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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