Seiko Cal. 6661 - 585

The Seiko 6661-585 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8f0ed66cd0d8]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

Related Models

• Seiko 7189-595
• Seiko 5281-123
• Seiko 4580-830
• Seiko 4596-215
• Seiko 6385-295
• Seiko 5683-694
• Seiko 5639-493
• Seiko 5283-774
• Seiko 6165-998
• Seiko 0729-350
• Seiko 5621-209
• Seiko 3851-263