Seiko Cal. 0731 - 160

The Seiko 0731-160 represents an important milestone in Seiko's 1976 lineup. Powered by the 0731 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-a94750d240c5]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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