Seiko Cal. 6622 - 778

This Hand-Winding model from 1972 features a 42mm Hardlex-Coated Steel case. Powered by the 6622 caliber with 30j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-5bfcade20e0b]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1972

Related Models

• Seiko 4526-339
• Seiko 7088-685
• Seiko 4584-106
• Seiko 4432-849
• Seiko 0717-292
• Seiko 6660-949
• Seiko 0760-480
• Seiko 0797-351
• Seiko 6151-191
• Seiko 7065-854
• Seiko 3845-808
• Seiko 7132-521