Seiko Cal. 3817 - 142

The Seiko 3817-142 represents an important milestone in Seiko's 1979 lineup. Powered by the 3817 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-a51e6ef510f2]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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