Seiko Cal. 4566 - 104

The Seiko 4566-104 represents an important milestone in Seiko's 1990 lineup. Powered by the 4566 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-36e4ebba12db]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1990

Related Models

• Seiko 4546-900
• Seiko 5278-619
• Seiko 6112-116
• Seiko 6228-859
• Seiko 4561-665
• Seiko 6312-664
• Seiko 3834-819
• Seiko 6336-243
• Seiko 6652-651
• Seiko 7129-587
• Seiko 7065-964
• Seiko 4573-154