Seiko Cal. 4490 - 527

This Quartz model from 1982 features a 44mm Stainless Steel case. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-e0ccfb9d8720]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1982

Related Models

• Seiko 6315-914
• Seiko 4424-640
• Seiko 7086-974
• Seiko 6314-688
• Seiko 7089-519
• Seiko 7156-760
• Seiko 7086-481
• Seiko 6226-195
• Seiko 7135-370
• Seiko 5267-953
• Seiko 5245-976
• Seiko 6252-994