Ca. Ø36mm, 18K pink gold, Ref.4178 with special lugs, back signed and numbered No. 287418, manual winding, movement number 437413, top quality with Geneva stripes, calibre 434, very beautiful silver dial with pink gold indexes, 30-minute counter, tachymeter scale, pink gold hands, high quality leather strap with probably original buckle, in very beautiful condition, wanted collector's watch in the rare pink gold version, internationally highly traded, example: (https:///go/xZL).