Seiko Cal. 3881 - 677

The Seiko 3881-677 represents an important milestone in Seiko's 1979 lineup. Powered by the 3881 caliber with 33j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-1274a755049e]

Also known as: Turtle, Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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