Seiko Cal. 6660 - 443

This Solar model from 1967 features a 39mm Titanium case. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-a689e7c5e8c8]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

Related Models

• Seiko 7161-136
• Seiko 4533-259
• Seiko 6616-481
• Seiko 4476-699
• Seiko 6320-818
• Seiko 3874-908
• Seiko 0761-731
• Seiko 3870-632
• Seiko 6228-827
• Seiko 4590-398
• Seiko 6630-847
• Seiko 4441-126