From Siduna -
Courtesy of Siduna |
Courtesy of Siduna |
The case is stainless steel and measures 42 mm in diameter. The movement is listed as Valjoux's 7753 top grade.
Reference
490 CPN
Description
Self-winding chronograph with hours, minutes and running seconds. Compax chronograph feature with minutes and seconds.
Dial with machine turned pattern, dark blue. Printed Arabic numerals and telemeter scale.
Water resistant case in austenitic stainless steel, screw-down crown, 5 bar (50m/165ft static). Flat sapphire crystal with anti-reflective coating.
• Diameter 42.0mm
• Thickness 13.5mm
• Lug width 20.0mm
• Lug end to lug end 50.7mm
• Buckle width 18.0mm
• ISO 764 magnetic resistance 4,800 A/m
• ISO 1413 shock resistance
• ISO 22810 water-resistance 5 bar (static 50m/165ft)
Movement
• ETA/Valjoux 7753 Top grade
• Adjusted in 5 positions: CH, FH, 6H, 9H, 3H
• Incabloc shock protection
• Glucydur balance wheel with Anchron alloy hairspring
• Nivaflex NM mainspring
• Nivarox pallet lever and escape wheel
• Diametre 13 ″ ¼‴ (30.0mm), thickness 7.9mm
• Power reserve 48h
• Rubies setting 27
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