Seiko Cal. 3884 - 389

This Automatic model from 1977 features a 42mm PVD Black case. Powered by the 3884 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-ef41e216c122]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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