Seiko Cal. 6635 - 350

The Seiko 6635-350 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-35364333100d]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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