Seiko Cal. 6660 - 405

This Quartz model from 1978 features a 35mm Titanium case. Powered by the 6660 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-f243d1e1caab]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

Related Models

• Seiko 3855-791
• Seiko 6137-435
• Seiko 6159-891
• Seiko 3884-169
• Seiko 5656-595
• Seiko 4417-929
• Seiko 0773-644
• Seiko 0764-420
• Seiko 7122-194
• Seiko 3845-181
• Seiko 6263-627
• Seiko 4487-296