Seiko Cal. 4560 - 686

The Seiko 4560-686 represents an important milestone in Seiko's 1967 lineup. Powered by the 4560 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-4b3dcf00f03c]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1967

Related Models

• Seiko 4574-781
• Seiko 7050-500
• Seiko 7128-924
• Seiko 4446-877
• Seiko 6212-293
• Seiko 7090-205
• Seiko 4468-382
• Seiko 5633-438
• Seiko 4443-363
• Seiko 7141-884
• Seiko 5668-495
• Seiko 6312-881