Seiko Cal. 6331 - 865

The 6331-865 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6331 caliber with 19j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-a35f7dd160ce]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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