Seiko Cal. 5655 - 666

The Seiko 5655-666 represents an important milestone in Seiko's 1980 lineup. Powered by the 5655 caliber with 25j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-cd3b04cb8a7a]

Also known as: Turtle, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1980

Related Models

• Seiko 4511-509
• Seiko 7085-880
• Seiko 5234-932
• Seiko 6146-939
• Seiko 3879-600
• Seiko 6392-994
• Seiko 6312-110
• Seiko 3899-147
• Seiko 5291-368
• Seiko 7074-319
• Seiko 5221-922
• Seiko 7023-616