Seiko Cal. 6380 - 790

This Hand-Winding model from 1974 features a 45mm Gold-Plated case. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-b118fc1277ce]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

Related Models

• Seiko 3881-568
• Seiko 4422-164
• Seiko 7071-849
• Seiko 0717-733
• Seiko 0765-823
• Seiko 6369-422
• Seiko 5210-607
• Seiko 4535-111
• Seiko 5226-853
• Seiko 0761-277
• Seiko 6140-969
• Seiko 7099-194