Seiko Cal. 3881 - 143

The Seiko 3881-143 represents an important milestone in Seiko's 1975 lineup. Powered by the 3881 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-0d571e1effaa]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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