Seiko Cal. 6658 - 493

Seiko 6658-493

This Hand-Winding model from 1990 features a 36mm Two-Tone case. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-ee0d92b01d8f]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1990

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