The Bremont Supermarine 40mm Date HMAF is a limited edition from Bremont's series for His Majesty's Armed Forces. Its grey gradient dial has applied indexes infilled with white Super-LumiNova®, a grey dial ring with a printed minutes track, polished rhodium hands, the Royal Navy insignia at 6 o'clock and a date at 3 o'clock, framed by a uni-directional dive bezel with a satin grey ceramic insert and raised polished markers.
The 40 mm uni-body case is made from 904L stainless steel with an ultra matt grey finish, 12 mm deep with a 20 mm lug width, under a domed anti-reflective sapphire crystal. The screw-in, decorated closed case back carries the HMAF insignia and helps keep the watch water resistant to 300 metres (980 feet); the watch head weighs about 75 g.
Inside is Bremont's automatic Calibre BB64AH with 25 jewels, a 4 Hz beat and a 56-hour power reserve. Supplied on a grey leather strap with white side stitching.