Seiko Cal. 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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