Seiko Cal. 4566 - 647

This Spring Drive model from 1966 features a 41mm Titanium case. Powered by the 4566 caliber with 26j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a894c6ad49e1]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

Related Models

• Seiko 0761-264
• Seiko 6699-654
• Seiko 4461-451
• Seiko 0792-954
• Seiko 4542-895
• Seiko 0792-169
• Seiko 6263-104
• Seiko 5237-628
• Seiko 4549-732
• Seiko 6682-612
• Seiko 6286-809
• Seiko 4539-480