Seiko Cal. 6131 - 298

This Spring Drive model from 1990 features a 40mm Two-Tone case. Powered by the 6131 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-db030dd8f004]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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