Seiko Cal. 6643 - 195

The Seiko 6643-195 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-811c87bd9424]

Also known as: Pogue, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1980

Related Models

• Seiko 4593-789
• Seiko 6693-750
• Seiko 0771-119
• Seiko 6687-136
• Seiko 5692-166
• Seiko 6135-980
• Seiko 3862-655
• Seiko 7072-453
• Seiko 7153-810
• Seiko 6135-682
• Seiko 6697-929
• Seiko 6198-877