Seiko Cal. 6656 - 111

This Spring Drive model from 1976 features a 34mm Hardlex-Coated Steel case. Powered by the 6656 caliber with 26j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-acb360b3e96c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

Related Models

• Seiko 7064-664
• Seiko 5253-776
• Seiko 5658-232
• Seiko 7064-956
• Seiko 6634-557
• Seiko 4581-706
• Seiko 5291-626
• Seiko 5210-917
• Seiko 5639-637
• Seiko 6251-298
• Seiko 3881-589
• Seiko 6336-422