Seiko Cal. 4450 - 586

This Quartz model from 1980 features a 40mm PVD Black case. Powered by the 4450 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-0494eb891cf5]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1980

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