Seiko Cal. 4559 - 931

The Seiko 4559-931 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-25ea6fafd973]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

Related Models

• Seiko 6234-779
• Seiko 6296-828
• Seiko 7135-133
• Seiko 6172-309
• Seiko 6636-178
• Seiko 6130-390
• Seiko 5625-750
• Seiko 6654-732
• Seiko 5653-157
• Seiko 7123-198
• Seiko 6363-738
• Seiko 4459-111