Seiko Cal. 4523 - 307

This Automatic model from 1978 features a 38mm Titanium case. Powered by the 4523 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4f4a9567f3a4]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

Related Models

• Seiko 4489-509
• Seiko 6140-478
• Seiko 0743-623
• Seiko 5678-438
• Seiko 5625-201
• Seiko 6219-878
• Seiko 5653-569
• Seiko 6176-623
• Seiko 4458-773
• Seiko 3822-148
• Seiko 6325-840
• Seiko 6680-709