Seiko Cal. 7028 - 220

The Seiko 7028-220 represents an important milestone in Seiko's 1980 lineup. Powered by the 7028 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-cc645abf2905]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1980

Related Models

• Seiko 4523-694
• Seiko 0747-901
• Seiko 4570-698
• Seiko 5643-490
• Seiko 6255-272
• Seiko 3887-384
• Seiko 6642-468
• Seiko 3810-917
• Seiko 7196-541
• Seiko 6159-813
• Seiko 6267-567
• Seiko 6363-924