Seiko Cal. 7181 - 964

This Automatic model from 1989 features a 37mm PVD Black case. Powered by the 7181 caliber with 27j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-86a518333fb9]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1989

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