Seiko Cal. 7131 - 982

The Seiko 7131-982 represents an important milestone in Seiko's 1976 lineup. Powered by the 7131 caliber with 25j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-f7ac2dba3175]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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