Seiko Cal. 5650 - 937

This Spring Drive model from 1966 features a 40mm PVD Black case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-cd0d0515b908]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1966

Related Models

• Seiko 7061-836
• Seiko 4540-936
• Seiko 3859-684
• Seiko 5246-355
• Seiko 7023-637
• Seiko 4567-424
• Seiko 6190-205
• Seiko 5278-702
• Seiko 6133-364
• Seiko 7078-586
• Seiko 4530-987
• Seiko 6280-309