Seiko Cal. 6660 - 475

The Seiko 6660-475 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-643ac09c40c4]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1984

Related Models

• Seiko 6636-875
• Seiko 6617-859
• Seiko 7046-398
• Seiko 5672-406
• Seiko 6120-727
• Seiko 6189-342
• Seiko 4587-367
• Seiko 4587-692
• Seiko 5683-388
• Seiko 3895-356
• Seiko 6315-256
• Seiko 6678-110