Seiko Cal. 3831 - 831

The Seiko 3831-831 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-ba394a4b398f]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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