Seiko Cal. 6131 - 869

The Seiko 6131-869 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c7b0a993ec9f]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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