Seiko Cal. 6657 - 711

This Quartz model from 1989 features a 38mm Hardlex-Coated Steel case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-cf725106fbb3]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

Related Models

• Seiko 5655-934
• Seiko 3829-878
• Seiko 4528-626
• Seiko 7195-489
• Seiko 6634-769
• Seiko 6679-828
• Seiko 4598-152
• Seiko 6114-974
• Seiko 6115-725
• Seiko 4523-383
• Seiko 6615-646
• Seiko 6621-629