Seiko Cal. 4490 - 576

This Automatic model from 1969 features a 45mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-fe94fed87e60]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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