Seiko Cal. 6334 - 637

The Seiko 6334-637 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-761784c99e3a]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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