Seiko Cal. 7156 - 231

This Spring Drive model from 1985 features a 41mm PVD Black case. Powered by the 7156 caliber with 32j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-c71dbf430d1b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

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