The 51-30 Chrono from Nixon.
Movement:
6 Hand Japanese Quartz With Second Subdial Chrono.Case:
Custom 300 Meter Stainless Steel With Hardened Mineral Crystal.External Rotating Bezel With Countdown Timer, 9:00 Crown Positioning.Band:
Custom Solid Stainless Steel With Brushed Finish And Double Locking Clasp.