Seiko Cal. 4436 - 671

This Automatic model from 1975 features a 39mm Hardlex-Coated Steel case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-07484e240a24]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

Related Models

• Seiko 3884-869
• Seiko 4499-912
• Seiko 0739-693
• Seiko 4599-902
• Seiko 6164-686
• Seiko 0767-376
• Seiko 7130-650
• Seiko 5665-726
• Seiko 5241-841
• Seiko 6183-741
• Seiko 0729-847
• Seiko 0741-447