Seiko Cal. 6657 - 587

Seiko 6657-587

This Hand-Winding model from 1990 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-1d82dff19ce0]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1990

Related Models

seikata-wm-1d82dff19ce0