Seiko Cal. 4577 - 463

This Quartz model from 1983 features a 35mm PVD Black case. Powered by the 4577 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-030f4232ba7a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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