Seiko Cal. 6620 - 757

The Seiko 6620-757 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f944769bb7ad]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

Related Models

• Seiko 4496-165
• Seiko 7048-307
• Seiko 3866-338
• Seiko 0754-177
• Seiko 0786-169
• Seiko 3847-161
• Seiko 6219-231
• Seiko 6151-468
• Seiko 7033-530
• Seiko 4499-512
• Seiko 4537-571
• Seiko 5656-965