Seiko Cal. 6378 - 470

The Seiko 6378-470 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-83bbbdd9ed3e]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

Related Models

• Seiko 5270-532
• Seiko 6116-199
• Seiko 7124-458
• Seiko 4555-408
• Seiko 5618-833
• Seiko 0785-179
• Seiko 7061-507
• Seiko 6319-490
• Seiko 5235-964
• Seiko 5658-387
• Seiko 6279-715
• Seiko 7093-851