Seiko Cal. 3881 - 697

The Seiko 3881-697 represents an important milestone in Seiko's 1974 lineup. Powered by the 3881 caliber with 20j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-91bff36e9a48]

Also known as: World Timer, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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