Seiko Cal. 6311 - 236

This Spring Drive model from 1974 features a 41mm Stainless Steel case. Powered by the 6311 caliber with 26j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-7867dc487e21]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

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