UNIVERSAL GENEVE Aero-Compax chronograph

UNIVERSAL GENEVE Aero-Compax intermediate wheel chronograph in steel reference 22538, manual winding, Switzerland around 1940, 3- piece construction case, snap on case back and bezel, winding crown for Memo-time at 9, dial restored, blued original hands, luminous material later, later gold plated movement calibre 287, blued screws, Glucydur-balance with Breguet-hairspring, 17 jewels, diameter approx. 37 mm, overhaul recommended at buyer's expense, condition 2-3, property of a collector . German Description: UNIVERSAL GENEVE Aero-Compax Schaltradchronograph in Stahl Referenz 22538, Handaufzug, Schweiz um 1940, 3-teil. Geh., Boden und Glasrand aufgedr., Krone für Memo-Zeit bei 9, Zifferbl. rest., gebl. orig. Zeiger, Leuchtmasse später, nachverg. Werk Kal. 287, gebl. Schr., Gluc.-Unr. m. Breg.- Spir., 17 St., D. ca. 37 mm, Überh. empf., EZ 2-3, aus Sammlungsauflösung