Seiko Cal. 6647 - 606

Released in 1972, the Cal. 6647 with design code 606 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-153633c34ebf]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1972

Related Models

• Seiko 3850-497
• Seiko 7023-926
• Seiko 7059-784
• Seiko 5612-494
• Seiko 4429-170
• Seiko 6617-751
• Seiko 6151-287
• Seiko 6137-803
• Seiko 4581-842
• Seiko 4593-104
• Seiko 4532-349
• Seiko 5285-681