Seiko Cal. 6336 - 318

This Spring Drive model from 1976 features a 41mm Gold-Plated case. Powered by the 6336 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-1826f756be74]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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