Seiko Cal. 3873 - 305

This Automatic model from 1983 features a 37mm PVD Black case. Powered by the 3873 caliber with 18j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-dfd076883ce3]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1983

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