Seiko Cal. 6661 - 742

This Spring Drive model from 1999 features a 39mm Hardlex-Coated Steel case. Powered by the 6661 caliber with 21j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a8d6f91e93e8]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1999

Related Models

• Seiko 6263-927
• Seiko 5284-637
• Seiko 6212-450
• Seiko 4546-652
• Seiko 6151-900
• Seiko 6258-844
• Seiko 7092-932
• Seiko 3835-554
• Seiko 6240-713
• Seiko 3886-838
• Seiko 6188-459
• Seiko 6314-783