Seiko Cal. 4443 - 790

This Spring Drive model from 1975 features a 41mm PVD Black case. Powered by the 4443 caliber with 26j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-75eb8bf34606]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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