Amazon offers the Timex Women's Weekender Slip-Thru Nylon Strap Watch in Olive, model no. T2P2289J, for $24.60. Coupon code "WEEKEND30" makes it $17.22. Prime members qualify for free shipping. (Non-members can spend over $35 for shipping; otherwise, it adds $4.48.) That's the lowest total price we could find by $10. It features an indigo night light and water resistance of up to 99 feet.