Seiko Cal. 3873 - 566

The Seiko 3873-566 represents an important milestone in Seiko's 1981 lineup. Powered by the 3873 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-892a07471fcf]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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