Seiko Cal. 6655 - 831

This Hand-Winding model from 1972 features a 46mm PVD Black case. Powered by the 6655 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-1cd27c0c114a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1972

Related Models

• Seiko 5650-857
• Seiko 3834-736
• Seiko 6654-512
• Seiko 6344-913
• Seiko 4561-136
• Seiko 0788-681
• Seiko 5666-239
• Seiko 0787-561
• Seiko 5270-425
• Seiko 0732-555
• Seiko 5261-954
• Seiko 4485-231