Seiko Cal. 4478 - 822

The 4478-822 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-adac17c10f03]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

Related Models

• Seiko 7087-255
• Seiko 6648-654
• Seiko 4436-332
• Seiko 5691-274
• Seiko 0784-110
• Seiko 6139-138
• Seiko 6360-287
• Seiko 0737-617
• Seiko 7173-593
• Seiko 0737-612
• Seiko 6191-970
• Seiko 3887-514