Seiko Cal. 5612 - 911

This Spring Drive model from 1980 features a 46mm Hardlex-Coated Steel case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-6d362ca5fdb7]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1980

Related Models

• Seiko 7022-248
• Seiko 4573-910
• Seiko 6159-632
• Seiko 5642-989
• Seiko 7052-744
• Seiko 3883-593
• Seiko 6635-106
• Seiko 7018-674
• Seiko 6617-172
• Seiko 5639-544
• Seiko 0783-405
• Seiko 6149-970