Seiko Cal. 6643 - 132

The 6643-132 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6643 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-c61267427c65]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

Related Models

• Seiko 5291-660
• Seiko 6391-263
• Seiko 6225-454
• Seiko 6278-716
• Seiko 6696-691
• Seiko 4498-586
• Seiko 7089-518
• Seiko 6672-145
• Seiko 6343-105
• Seiko 6698-942
• Seiko 6134-706
• Seiko 6187-221