Seiko Cal. 6643 - 617

The 6643-617 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6643 caliber with 29j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9980f783bb88]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 5296-325
• Seiko 6651-702
• Seiko 6358-602
• Seiko 5216-851
• Seiko 5279-776
• Seiko 3885-972
• Seiko 7152-433
• Seiko 6255-810
• Seiko 4478-558
• Seiko 5651-501
• Seiko 7121-375
• Seiko 6672-193