Seiko Cal. 6131 - 112

The Seiko 6131-112 represents an important milestone in Seiko's 1983 lineup. Powered by the 6131 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-967a7595ed56]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1983

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