Seiko Cal. 3831 - 870

The Seiko 3831-870 represents an important milestone in Seiko's 1989 lineup. Powered by the 3831 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-4204fe2801d7]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1989

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