Seiko Cal. 6131 - 937

The Seiko 6131-937 represents an important milestone in Seiko's 1978 lineup. Powered by the 6131 caliber with 17j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-48db844d10e3]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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