Nautica bring you a watch which might suit a woman best. You can swim or shower with the watch on.
From Amazon
Nautica Men's Analogue Quartz Watch with Stainless Steel Strap 6.56086E+11
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Ladies' Watch Nautica 6.56086E+11 (Ø 36 mm)
Shopaide
Ladies' Watch Nautica 6.56086E+11 (Ø 36 mm)
OnBuy
Ladies' Watch Nautica NAD15517L (36 mm) - Multicoloured