Seiko Cal. 3873 - 804

The Seiko 3873-804 represents an important milestone in Seiko's 1992 lineup. Powered by the 3873 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-82e1e1985e42]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1992

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