Casio w-753 [moon, compass and tides] Great adventures with this Boy , through all my advanced education till now [10 years] and still rocking, having him on today. Windy morning in uganda :
Casio W-753-1AV Moon and Tide Graph Watch 2 Time Zones 10 Year Battery New 778890002526 | eBay
Casio Digital Sports Tide Graph Illuminator W-753-1AVDF W-753-1AV Mens Watch - ZetaWatches