Seiko Cal. 6656 - 587

The Seiko 6656-587 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-132a4a790fcf]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

Related Models

• Seiko 7058-140
• Seiko 5662-317
• Seiko 6664-240
• Seiko 4530-433
• Seiko 4428-611
• Seiko 7175-262
• Seiko 3845-570
• Seiko 6299-551
• Seiko 6699-967
• Seiko 5258-998
• Seiko 4540-809
• Seiko 4541-322