An Omas A. Strom silver wirstwatch

limited edition n.38, realized on a design of A. Simoni of 1930, circular case mm. 35, carved bezel with round sapphires weighing approx. 0,11 ct, silver plate dial with stopwatch function at 6 o'clock, mechanical movement and manual winding, ref. n. S - BMA 9702, n.169, original leather strap with metal buckle. Comprising box and guarantee document