Seiko Cal. 6311 - 336

This Spring Drive model from 1978 features a 39mm PVD Black case. Powered by the 6311 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-eb897038cd74]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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