Seiko Cal. 6155 - 851

This Spring Drive model from 1977 features a 39mm Hardlex-Coated Steel case. Powered by the 6155 caliber with 22j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-bbed077ff8dd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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