Seiko Cal. 4577 - 964

This Automatic model from 1985 features a 42mm PVD Black case. Powered by the 4577 caliber with 19j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-2659681ef6d1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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