Seiko Cal. 3881 - 149

Seiko 3881-149

The 3881-149 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3881 caliber with 27j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-0cef9458b989]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1976

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