Seiko Cal. 6641 - 448

The Seiko 6641-448 represents an important milestone in Seiko's 1980 lineup. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-8fc5dbc7ad8b]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

Related Models

• Seiko 7058-398
• Seiko 6621-534
• Seiko 7054-459
• Seiko 7023-191
• Seiko 6136-538
• Seiko 6182-446
• Seiko 7031-219
• Seiko 5273-790
• Seiko 4419-118
• Seiko 7027-571
• Seiko 6666-177
• Seiko 6140-994