Sinn Watch EZM 3F Vintage Black With Red Seam. 703.010 Vintage Black With Red Seam. Born to be in the cockpit, this Sinn EZM 3F watch fulfils the most exacting demands required by a pilot including high levels of precision, instant legibility and effortless comfort. The timepiece can not only survive the skies with its pilot’s bezel with minute ratcheting and luminous key mark, but it is also fully equipped to take on the labours of everyday wear with a 41mm stainless steel case engineered with the brand’s famous temperature resistance technology which guarantees functional reliability in temperatures ranging from -45 to +80 Celsius This Sinn EZM 3F watch continues to impress with high quality scratch resistant sapphire crystal glass treated with an anti-reflective coating fitted above the dial and a screw-fastened, nickel-free case back to assist in its water resistance of 200 metres. The striking matte black dial is decorated with indices and hands coated in a luminescent colour. Powering the functions on the dial is the SW200-1 self-winding mechanism which promises a power reserve 38 hours alongside hour, minute and seconds function and a date display at 4 o clock. Proving itself to be the ultimate pilots watch, this Sinn EZM 3F watch is completed Ar-Dehumidifying technology, magnetic field protection up to 80,000 A/m and a sophisticated vintage black leather strap with red seam detailing.