Seiko Cal. 6646 - 259

Seiko 6646-259

This Spring Drive model from 1988 features a 44mm Gold-Plated case. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-2b7e72dca83f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
14.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
19j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1988

Related Models

seikata-wm-2b7e72dca83f