Seiko Cal. 0780 - 390

The Seiko 0780-390 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-c3207657a73f]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

Related Models

• Seiko 3826-942
• Seiko 6310-652
• Seiko 7062-494
• Seiko 3869-454
• Seiko 4573-366
• Seiko 6279-349
• Seiko 4547-871
• Seiko 5668-203
• Seiko 5269-228
• Seiko 7176-698
• Seiko 6355-908
• Seiko 4566-532