Seiko Cal. 3873 - 838

The Seiko 3873-838 represents an important milestone in Seiko's 1978 lineup. Powered by the 3873 caliber with 30j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-7c771d3531c0]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1978

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