Charlotte van der Waals

Patented desk clocks with 12 slides, each with the name of two major cities; together, the 24 cities represent the 24 global time zones; to find the local hour in another time zone, simply roll the clock so that the city representing that time zone is on top.

Available in stainless steel or black molded plastic.
 

Solid Stainless Steel

1 5/8" deep, 1 1/2" diameter, 11 oz.

CW-WDSB

Black injection molded

2" deep, 1.75" diameter, 6.5 oz.

CW-WDBK