21. Swiss, examined by J.W. Benson, London. A silver keyless wind open face chronograph pocket watch Suisse, contrôlé par J.W. Benson, Londres. Chronographe de poche à cadran ouvert en argent (800) remontoir au pendant Date: London Import mark for 1910 Movement: Swiss lever, cut and compensated bi-metallic balance Dial: White Case: Round, No.2329462 Signed: Cuvette Size: 51mm Weight: 118,43g