Seiko Cal. 4573 - 783

The 4573-783 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-5811178606ef]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1968

Related Models

• Seiko 6367-732
• Seiko 7178-406
• Seiko 5276-213
• Seiko 7130-786
• Seiko 4515-473
• Seiko 6638-892
• Seiko 6672-152
• Seiko 0786-387
• Seiko 3838-308
• Seiko 5647-365
• Seiko 6327-750
• Seiko 6120-534