Seiko Cal. 3899 - 544

This Spring Drive model from 1983 features a 44mm PVD Black case. Powered by the 3899 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2c214e200db4]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1983

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