Seiko Cal. 6656 - 782

This Spring Drive model from 1966 features a 43mm Hardlex-Coated Steel case. Powered by the 6656 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-5cad35882cab]

Also known as: Panda, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1966

Related Models

• Seiko 7050-131
• Seiko 4437-104
• Seiko 7194-592
• Seiko 7071-728
• Seiko 6646-630
• Seiko 6397-516
• Seiko 6687-850
• Seiko 5246-486
• Seiko 6148-481
• Seiko 3868-183
• Seiko 7061-544
• Seiko 5675-290