Seiko Cal. 6131 - 297

This Automatic model from 1990 features a 40mm Titanium case. Powered by the 6131 caliber with 36j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-f25d3db880f7]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1990

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