Seiko Cal. 6667 - 394

This Quartz model from 1978 features a 42mm Hardlex-Coated Steel case. Powered by the 6667 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-0b40f4da2aa3]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

Related Models

• Seiko 7151-415
• Seiko 4418-169
• Seiko 0799-894
• Seiko 3839-543
• Seiko 6275-459
• Seiko 5627-121
• Seiko 7097-444
• Seiko 0777-457
• Seiko 5672-111
• Seiko 0754-226
• Seiko 0717-616
• Seiko 5615-478