Seiko Cal. 4438 - 607

This Spring Drive model from 1995 features a 45mm PVD Black case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-bdec1c8159ad]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1995

Related Models

• Seiko 5633-742
• Seiko 3873-432
• Seiko 4571-340
• Seiko 6331-389
• Seiko 4422-222
• Seiko 7127-564
• Seiko 4533-702
• Seiko 0716-212
• Seiko 7118-887
• Seiko 3811-751
• Seiko 7097-257
• Seiko 5657-311