Seiko Cal. 6656 - 339

This Solar model from 1977 features a 45mm Stainless Steel case. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-ee1bf94132f8]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 6687-532
• Seiko 5626-482
• Seiko 5659-736
• Seiko 3880-696
• Seiko 5669-927
• Seiko 3839-747
• Seiko 7136-357
• Seiko 7142-741
• Seiko 7151-392
• Seiko 6145-985
• Seiko 3846-166
• Seiko 5663-856