Seiko Cal. 4419 - 643

This Quartz model from 1985 features a 36mm Hardlex-Coated Steel case. Powered by the 4419 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-878970c62f0b]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1985

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