Seiko Cal. 4586 - 874

This Spring Drive model from 1981 features a 44mm Hardlex-Coated Steel case. Powered by the 4586 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-9f9efde82e63]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1981

Related Models

• Seiko 4460-845
• Seiko 6372-837
• Seiko 4427-880
• Seiko 3878-347
• Seiko 4461-498
• Seiko 4538-497
• Seiko 4562-761
• Seiko 5611-578
• Seiko 6689-503
• Seiko 4458-334
• Seiko 3850-556
• Seiko 6156-312