Seiko Cal. 4573 - 720

The 4573-720 is a sought-after Solar piece from Seiko's golden era. Powered by the 4573 caliber with 21j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1f2f00ccc9d9]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1995

Related Models

• Seiko 0775-130
• Seiko 4429-985
• Seiko 6121-410
• Seiko 6280-396
• Seiko 0745-307
• Seiko 6372-121
• Seiko 4476-125
• Seiko 6398-268
• Seiko 7062-286
• Seiko 0757-806
• Seiko 6390-240
• Seiko 4426-370