Berthoud Geneve 37,5 mm without crown,cal 387.Serial 5xxxxx,before 40's? For UniversL Geneve this serial is before 40's.
Speedmaster with my brown leather B&R strap. I love this strap because it smells like my leater baseball glove.
My 28 year old Rolex Date-Just which I put onto my wrist almost four weeks ago, before heading out on a one week vacation in Montana. As of this morning, it is 11 seconds slow since then. Worn 24-hours per day. Works out to about -0.5seconds per day, consistently.