I have been really happy with my Citizen HyperAqualand, but don't dive it much these days (I think the other half has laid claim to it now that she is certified.) If you go this route be sure to change over to something like the Waterbourne band to reduce the risk of loosing it at depth due to a broken pin. The only negative aspect of the Citizen line is the crystals take scratches really easy and are expensive to get replaced; use a bit of self-laminating film over the crystal and replace as necessary. There are a number of computers out today that are the size of a dive watch and can be worn as a watch when you are back in your bipedal mode. When diving I typically just use my Nitek 3 backed up by a bottom timer with tables.