Seiko Cal. 3861 - 281

Seiko 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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seikata-wm-028045e396c0