Amazon has the Trademark Gambler's Wall Clock Diversion Safe for $12 with free shipping for Prime members. Outside dimensions are 10 inches by 10 inches by 3 inches thick, the inside dimensions of the safe are 8 1/2 inches x 8 1/2 inches x 1 7/8 inches.
Amazon has the Burei Men's Digital Watch for $41.99 - $14.70 off with coupon 3SRKKBNO (Ends 9/30) = $27 with free shipping. List price: $50. It features a metal case, rubber band, quartz movement, and water resistance to 98 feet.