Seiko Cal. 6638 - 586

This Automatic model from 1979 features a 38mm Gold-Plated case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-c441be47bc47]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1979

Related Models

• Seiko 7155-208
• Seiko 4473-390
• Seiko 4413-535
• Seiko 7088-151
• Seiko 6391-659
• Seiko 6346-310
• Seiko 6668-353
• Seiko 6228-811
• Seiko 7024-450
• Seiko 6314-827
• Seiko 7192-787
• Seiko 6689-156