Seiko Cal. 6660 - 604

The Seiko 6660-604 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-80bf792f2867]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1973

Related Models

• Seiko 4447-107
• Seiko 3856-968
• Seiko 5264-745
• Seiko 5252-659
• Seiko 4533-192
• Seiko 4545-862
• Seiko 4478-147
• Seiko 6352-303
• Seiko 0735-837
• Seiko 7113-388
• Seiko 7098-896
• Seiko 0754-180