Seiko Cal. 3871 - 198

The Seiko 3871-198 represents an important milestone in Seiko's 1988 lineup. Powered by the 3871 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-88e79e41a7c0]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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