SEIKO Velatura Yachting Timer, chronograph wristwatch for boat racing. Seiko 7T84-0AA0 calibre, quartz. Reference of the Seiko model SPC005P1 Steel casing with screw back, water resistant of up to 100 m White dial with 3 multifunctional mini-dials, sapphire glass Steel strap of , width 22 mm Steel strap of 160-220 mm (length), Dial diameter 430 mm and casing thickness 13 mm . The mid-size case, with diameter of 43 mm was enough to incorporate the impressive number of features, mostly used in yacht racing. Artistic, dial features a pre-set yachting countdown timer (with 5, 6 and 10 minute countdowns) which is followed with the automatic chronograph start function. Moreover, the Seiko quartz 7T84 Caliber chronograph movement provides a free-set countdown timer, up to 15 minutes (set in 1 minute increments). Chronograph function, which provides split-time measurements, counts time up to 12 hours, in 1/5-second increments. The superb chronograph movement allows you to restart the counters in every moment and to easily move the watch hands back to the previous position.