Seiko Cal. 6665 - 811

This Spring Drive model from 1978 features a 34mm Two-Tone case. Powered by the 6665 caliber with 29j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5bd688edd4af]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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