Seiko Cal. 5256 - 339

This Automatic model from 1972 features a 40mm PVD Black case. Powered by the 5256 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-96c37eb432ff]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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