Girard Perregaux rare waterproof case
Girard Perregaux 5975
Girard Perregaux, manual wind, 23mm x 35mm to lug tips, 17mm lug width, stainless steel case with back secured by screwbar on either end. Black leather strap, silvered dial with radium painted numerals. Just cleaned, oiled and adjusted and runs fine.Rare experimental case that I’ve seen with other makers, but not GP. Cleaned, oil and adjust 2/2020 and keeps time to within 2 min/day. Was $295; now reduced to $250.