Seiko Cal. 6660 - 657

This Hand-Winding model from 1965 features a 45mm PVD Black case. Powered by the 6660 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-7739b542f7f5]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

Related Models

• Seiko 4546-169
• Seiko 6151-956
• Seiko 0762-361
• Seiko 0714-218
• Seiko 7062-590
• Seiko 4466-445
• Seiko 6126-451
• Seiko 6658-884
• Seiko 6288-845
• Seiko 7054-686
• Seiko 6160-532
• Seiko 3829-792