The Logic of Collective Action: Public Goods and the Theory of Groups, Second printing with new preface and appendix (Harvard Economic Studies)

A great wear-anywhere watch by Timex. Smooth black leather strap and round silvertone mixed metal case. White dial with black numerals, logo and date window. Analog movement. Water resistant to 30 meters. One-year limited warranty.

A Seiko watch with a sunny disposition. Stainless steel bracelet and round case. Silver dial features day/date window, logo and stick indices. Ten-month energy storage. Quick-start function and energy depletion warning. Solar quartz movement. Water resistant to 30 meters. Three-year limited warranty.

Precise, high-quality Swiss-quartz movement

Durable flame-fusion crystal; polished stainless steel case; black rubber strap

Day and date function

Silver textured dial with luminous hands and hour markers; additional red, blue, orange and yellow rubber straps included

Water-resistant to 330 feet (100 M)