Seiko Cal. 6642 - 499

The 6642-499 is a sought-after Solar piece from Seiko's golden era. Powered by the 6642 caliber with 18j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-83c0f2dc8f6c]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

Related Models

• Seiko 6276-334
• Seiko 4481-922
• Seiko 6210-837
• Seiko 6261-165
• Seiko 6218-106
• Seiko 6699-247
• Seiko 6188-520
• Seiko 7143-858
• Seiko 6248-277
• Seiko 7159-750
• Seiko 5692-791
• Seiko 4439-553