Seiko Cal. 3861 - 281

The Seiko 3861-281 represents an important milestone in Seiko's 1979 lineup. Powered by the 3861 caliber with 34j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-028045e396c0]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1979

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