Seiko Cal. 4422 - 452

This Hand-Winding model from 1976 features a 42mm Titanium case. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-5f9face4d698]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

Related Models

• Seiko 4510-188
• Seiko 5683-698
• Seiko 7055-218
• Seiko 3815-582
• Seiko 5686-376
• Seiko 5221-143
• Seiko 0729-352
• Seiko 3860-345
• Seiko 3882-705
• Seiko 5619-629
• Seiko 6198-131
• Seiko 5620-718