Seiko Cal. 7165 - 778

This Spring Drive model from 1967 features a 38mm PVD Black case. Powered by the 7165 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-14f3b78c6be2]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

Related Models

• Seiko 3821-171
• Seiko 5678-268
• Seiko 3850-837
• Seiko 6115-609
• Seiko 6357-718
• Seiko 6312-993
• Seiko 4441-544
• Seiko 4416-288
• Seiko 5669-169
• Seiko 7194-945
• Seiko 6212-199
• Seiko 5236-166