Seiko Cal. 6131 - 512

This Spring Drive model from 1988 features a 37mm Two-Tone case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-f389c923fc29]

Also known as: Panda, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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