Seiko Cal. 5660 - 887

This Quartz model from 1991 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-112a8bfdb7c9]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

Related Models

• Seiko 4592-378
• Seiko 3840-680
• Seiko 7063-902
• Seiko 4477-486
• Seiko 6352-922
• Seiko 3826-468
• Seiko 4430-255
• Seiko 5259-215
• Seiko 5627-648
• Seiko 6138-635
• Seiko 5695-150
• Seiko 5665-980