Seiko Cal. 4423 - 553

The Seiko 4423-553 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-acc4af43d85a]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

Related Models

• Seiko 7066-466
• Seiko 5690-315
• Seiko 6135-805
• Seiko 6298-478
• Seiko 6126-497
• Seiko 0718-982
• Seiko 4527-639
• Seiko 7066-122
• Seiko 5235-394
• Seiko 6293-603
• Seiko 5670-396
• Seiko 7162-695