Seiko Cal. 7136 - 256

This Spring Drive model from 1991 features a 40mm PVD Black case. Powered by the 7136 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-7ed65797e897]

Also known as: Crown, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1991

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