Seiko Cal. 5631 - 590

This Quartz model from 1965 features a 34mm Gold-Plated case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-571ff5c30740]

Also known as: Crown, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

Related Models

• Seiko 5277-778
• Seiko 4522-353
• Seiko 6164-788
• Seiko 4598-452
• Seiko 6111-884
• Seiko 6219-925
• Seiko 5279-314
• Seiko 5614-857
• Seiko 6236-924
• Seiko 5273-389
• Seiko 4435-184
• Seiko 0745-371