Seiko Cal. 3881 - 940

Seiko 3881-940

The Seiko 3881-940 represents an important milestone in Seiko's 1972 lineup. Powered by the 3881 caliber with 32j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-4cd0ce8eabe6]

Also known as: Turtle, Bullhead

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Cream
Jewels
32j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1972

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