Seiko Cal. 4529 - 860

The 4529-860 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-68ad1e470ba8]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1976

Related Models

• Seiko 0740-638
• Seiko 6167-961
• Seiko 3837-704
• Seiko 6662-943
• Seiko 5240-275
• Seiko 4554-911
• Seiko 7146-222
• Seiko 6369-288
• Seiko 6624-718
• Seiko 6128-176
• Seiko 6255-157
• Seiko 5687-488