Seiko Cal. 3860 - 831

The Seiko 3860-831 represents an important milestone in Seiko's 1992 lineup. Powered by the 3860 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-865ec41288e1]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1992

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