Rounded octagon
Sapphire crystal case back
Rose gold
42.2 mm
30 M
11.9 MM
Sunburst brown with black-gradient rim, embossed with Aquanaut pattern
Gold applied numerals with white luminescent coating
Self-winding
CH 28‑520 C
Flyback chronograph, central chronograph hand, 60-minute counter, and date in an aperture.
Composite material
Dark brown
Aquanaut fold-over clasp