Seiko Cal. 4478 - 531

This Automatic model from 1995 features a 37mm Hardlex-Coated Steel case. With its 22mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-b13db585abed]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1995

Related Models

• Seiko 7158-905
• Seiko 3873-365
• Seiko 5281-932
• Seiko 0778-916
• Seiko 3893-449
• Seiko 4447-328
• Seiko 6663-751
• Seiko 6120-502
• Seiko 0711-766
• Seiko 0784-847
• Seiko 0741-647
• Seiko 4433-279