Seiko Cal. 6629 - 866

The Seiko 6629-866 represents an important milestone in Seiko's 1968 lineup. Powered by the 6629 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-dcac5772b331]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

Related Models

• Seiko 5227-630
• Seiko 5258-162
• Seiko 7192-236
• Seiko 4429-388
• Seiko 6652-499
• Seiko 6684-548
• Seiko 6274-675
• Seiko 5699-321
• Seiko 5242-152
• Seiko 6219-259
• Seiko 5650-610
• Seiko 0785-436