Seiko Cal. 6337 - 475

The Seiko 6337-475 represents an important milestone in Seiko's 1976 lineup. Powered by the 6337 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-b6da96ace9cb]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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