Seiko Cal. 4530 - 991

This Automatic model from 1971 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-db4f3ac538f4]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1971

Related Models

• Seiko 6335-896
• Seiko 7195-483
• Seiko 3879-556
• Seiko 0757-802
• Seiko 5237-923
• Seiko 4473-329
• Seiko 5276-959
• Seiko 6322-707
• Seiko 0784-721
• Seiko 6653-747
• Seiko 5296-885
• Seiko 6373-428