Seiko Cal. 7156 - 155

This Quartz model from 1984 features a 41mm Two-Tone case. Powered by the 7156 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-c87e6ef8a3b8]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1984

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