Seiko Cal. 5646 - 331

This Quartz model from 1971 features a 34mm Hardlex-Coated Steel case. Powered by the 5646 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-6d4d63426562]

Also known as: Samurai, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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