Crott, Helmut,  1946- <br/><br/>
Le cadran :  visage de la montre bracelet au 20e siècle / 
Dr. Helmut Crott. 
 - 390 pages :  illustrations ;  33 cm 
<br/><br/>Includes bibliographical references (pages 384-386). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wrist watches--Design and construction--History--20th century.
<br/><br/><label>Subjects--Index Terms: </label>CH-Geneva watch Stern Dials