Found in the Hamilton Pan Europ limited edition watch, this caliber H31 is a variation of the ETA/Valjoux 7750. This Swiss made automatic movement has 27 jewels and an upgraded power reserve of 60 hours.
7750
Brand Oris Caliber Number 674 Based On ETA 7750 Movement Type Automatic Jewels 25 Lignes 13 1/4”’ Diameter 30mm Height...
Brand TAG Heuer Caliber Number 16 In-House? No Base Caliber ETA/Valjoux 7750 (or Sellita SW500) Movement Type Automatic, self-winding mechanical,...
Manufacturer Oris Caliber Number 677 Base Caliber ETA 7754 Vibrations Per Hour 28,800 bph Power Reserve 48 hours Jewels 25...
Manufacturer ETA/Valjoux Caliber Number A05.H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height...
Brand Mido Caliber Number 60 Base Caliber ETA A05.H31 Movement Type Automatic Jewels 27 Power Reserve 60 hours Lignes 13.25”’...
Brand IWC Caliber Number 7922 Base Caliber ETA/Valjoux 7750 Movement Type Automatic Jewels 25 Power Reserve 44 hours Vibrations Per...
Manufacturer ETA / Valjoux Caliber Number 7750 Based On Valjoux 7733 (manual wind) Movement Type Automatic Jewels 25 (see below)...
Brand Graham Caliber Number G1749 Base Caliber ETA/Valjoux 7750 Movement Type Automatic Jewels 25 Diameter 13 1/4”’ (30mm) Height 7.9mm...
Brand IWC Caliber Number 79350 Base Caliber ETA/Valjoux 7750 Movement Type Automatic Jewels 31 Power Reserve 44 hours Vibrations Per...
Brand Omega Caliber Number 3304 In-House? No Base Caliber ETA/Valjoux 7753 Movement Type Automatic, self-winding mechanical, chronograph Chronometer? Yes (COSC)...
Brand Hamilton Caliber Number H-21 Base Caliber ETA / Valjoux 7750 Movement Type Automatic Jewels 25 Power Reserve 60 hours...
Brand Longines Caliber Number L704.2 Base Caliber ETA A07.171 Movement Type Automatic Linges 16.5”’ Diameter 36.6mm Height 7.9mm thick Jewels...
Brand ETA / Valjoux Caliber Number 7751 Base Caliber ETA 7750 Movement Type Automatic Diameter 13 1/4”’ (30.00mm) Thickness 7.90mm...
Brand ETA Caliber Number A07.171 Valgranges Movement Type Automatic Linges 16.5”’ Diameter 36.6mm Height 7.9mm thick Jewels 24 Power Reserve...
Manufacturer Sellita Caliber Number SW500 Based On ETA/Valjoux 7750 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25” Diameter 30mm Height...
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