Seiko Cal. 6131 - 905

Released in 1983, the Cal. 6131 with design code 905 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-ed860fb54fb1]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1983

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