Seiko Cal. 6635 - 303

The Seiko 6635-303 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-554f4587a47d]

Also known as: Samurai, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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