Seiko Cal. 4590 - 723

This Spring Drive model from 1977 features a 44mm Stainless Steel case. Powered by the 4590 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c5213b3bf3b7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

Related Models

• Seiko 4423-464
• Seiko 4594-593
• Seiko 0719-212
• Seiko 4487-582
• Seiko 6696-680
• Seiko 5238-630
• Seiko 4510-207
• Seiko 5292-552
• Seiko 7041-836
• Seiko 4510-146
• Seiko 4424-522
• Seiko 6382-315