Seiko Cal. 4418 - 566

The Seiko 4418-566 represents an important milestone in Seiko's 1971 lineup. Powered by the 4418 caliber with 25j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-bf8d38e26af3]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 4458-856
• Seiko 6681-389
• Seiko 5656-876
• Seiko 3846-488
• Seiko 7126-266
• Seiko 4456-785
• Seiko 6358-124
• Seiko 7112-858
• Seiko 6342-609
• Seiko 3864-155
• Seiko 6272-481
• Seiko 5674-503