Seiko Cal. 6657 - 773

This Quartz model from 1973 features a 40mm Gold-Plated case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-eda74595788a]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1973

Related Models

• Seiko 6246-577
• Seiko 4538-872
• Seiko 0716-285
• Seiko 4544-676
• Seiko 5222-546
• Seiko 5238-824
• Seiko 7166-230
• Seiko 7126-374
• Seiko 6670-173
• Seiko 5646-611
• Seiko 7024-712
• Seiko 6368-166