Seiko Cal. 6665 - 745

The Seiko 6665-745 represents an important milestone in Seiko's 1980 lineup. Powered by the 6665 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-5beeceb1fbf7]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1980

Related Models

• Seiko 4433-255
• Seiko 7063-931
• Seiko 6243-879
• Seiko 6636-796
• Seiko 5262-999
• Seiko 7165-922
• Seiko 0712-126
• Seiko 0780-804
• Seiko 4582-784
• Seiko 6293-194
• Seiko 5652-273
• Seiko 6648-869