Seiko Cal. 6660 - 983

The Seiko 6660-983 represents an important milestone in Seiko's 1975 lineup. Powered by the 6660 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-256f8a2479fc]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

Related Models

• Seiko 4438-575
• Seiko 7122-151
• Seiko 5633-769
• Seiko 0790-590
• Seiko 6270-589
• Seiko 7067-493
• Seiko 5689-861
• Seiko 7013-600
• Seiko 6119-661
• Seiko 6639-602
• Seiko 6238-389
• Seiko 6228-992