This Casio Edifice EF-546 was my first grown up watch and also the most expensive one I had ever owned. It's very special to me given the sentimental value it holds. :
Casio EFR-546D Watch Strap Band - Metal Watch Bracelet for EFR-546
Edifice EF-546D / 2009 / Casio Watch Archive
Original Casio Edifice EF-546, Men's Fashion, Watches & Accessories, Watches on Carousell
Men's Casio Edifice 5451 EFR-546 DY Watch BOXED With Extra Links | WatchCharts