Seiko Cal. 4577 - 152

This Automatic model from 1978 features a 34mm PVD Black case. Powered by the 4577 caliber with 25j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-c7453c64396d]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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