Seiko Cal. 4476 - 481

The 4476-481 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-745dc40980ac]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1982

Related Models

• Seiko 6315-555
• Seiko 3810-906
• Seiko 5656-823
• Seiko 7196-137
• Seiko 0756-976
• Seiko 6243-117
• Seiko 6625-463
• Seiko 5292-282
• Seiko 0757-620
• Seiko 5618-537
• Seiko 7057-889
• Seiko 6139-108