Seiko Cal. 4578 - 843

The 4578-843 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4578 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-918d505ba9cf]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

Related Models

• Seiko 6243-703
• Seiko 5660-906
• Seiko 5266-330
• Seiko 0758-435
• Seiko 4489-784
• Seiko 6624-421
• Seiko 6690-733
• Seiko 4551-813
• Seiko 4431-841
• Seiko 6330-292
• Seiko 6610-134
• Seiko 6298-234