Seiko Cal. 6642 - 543

The 6642-543 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6642 caliber with 20j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-c6057fbd9dab]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1996

Related Models

• Seiko 6385-437
• Seiko 0757-110
• Seiko 3811-848
• Seiko 4465-499
• Seiko 6331-583
• Seiko 0736-571
• Seiko 5650-601
• Seiko 5249-674
• Seiko 6292-573
• Seiko 4579-895
• Seiko 5624-826
• Seiko 6264-277