Seiko Cal. 4448 - 317

This Hand-Winding model from 1968 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-b3ca9ffa88fe]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

Related Models

• Seiko 4573-292
• Seiko 6174-661
• Seiko 5643-963
• Seiko 4453-407
• Seiko 6355-636
• Seiko 6155-346
• Seiko 6116-399
• Seiko 6328-340
• Seiko 7162-321
• Seiko 5635-720
• Seiko 0766-811
• Seiko 6692-122