Seiko Cal. 5668 - 772

This Spring Drive model from 1979 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9ca71ca1c1d8]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

Related Models

• Seiko 7037-362
• Seiko 4515-110
• Seiko 7083-219
• Seiko 7099-400
• Seiko 6693-560
• Seiko 4492-501
• Seiko 4428-728
• Seiko 7192-494
• Seiko 6155-813
• Seiko 7179-723
• Seiko 4515-811
• Seiko 0760-275