Omega
Omega SA is a Swiss luxury watchmaker based in Biel/Bienne, Switzerland. Britain's Royal Flying Corps chose Omega watches in 1917 as its official timekeepers for its combat units, as did the American army in 1918. Omega watches were the choice of NASA and the first watch on the Moon in 1969.
44.25 mm black ceramic case, transparent back, black bezel with with matt chromium nitride tachymeter...
44.25 mm blue ceramic case, transparent back, bezel ring with Liquidmetal™ tachymeter scale, scratch-resistant sapphire...
44.25 mm black ceramic case, transparent back, scratch-resistant sapphire crystal with anti-reflective treatment on both...