Seiko Cal. 6660 - 730

The Seiko 6660-730 represents an important milestone in Seiko's 1966 lineup. Powered by the 6660 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-a81697ffafae]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1966

Related Models

• Seiko 5228-127
• Seiko 7132-104
• Seiko 6362-744
• Seiko 3840-742
• Seiko 0769-367
• Seiko 5616-724
• Seiko 5611-397
• Seiko 6643-996
• Seiko 5616-222
• Seiko 5657-129
• Seiko 6250-212
• Seiko 5618-621