Seiko Cal. 3873 - 864

This Quartz model from 1979 features a 42mm Two-Tone case. Powered by the 3873 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-83e912f0f4f9]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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