Seiko Cal. 3831 - 666

The Seiko 3831-666 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e9ed8145d806]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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