Seiko Cal. 7142 - 740

This Hand-Winding model from 1974 features a 45mm PVD Black case. Powered by the 7142 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-68aca975f95f]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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