Seiko Cal. 6650 - 689

This Solar model from 1968 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ee0c424a4a8f]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

Related Models

• Seiko 5642-250
• Seiko 7168-752
• Seiko 0798-606
• Seiko 5239-195
• Seiko 0781-951
• Seiko 6643-761
• Seiko 7123-267
• Seiko 4594-153
• Seiko 0758-792
• Seiko 4457-959
• Seiko 3839-815
• Seiko 0723-678