OMEGA Deep Black Seamaster, Planet Ocean 600M, Co-Axial Master Chronometer GMT 45.5mm, Ref. 215.92.46.22.01.003, movement and case no. 87887916, sold in 2017 A nice, mint and full-set, water-resistant, large, automatic, antimagnetic, tonneau-shaped, deep black ceramic, certified chronometer, diver’s wristwatch with black dial, luminous hands, date, sweep center second, GMT function, helium escape valve, unidirectional black and red ceramic bezel, rubber bracelet and titanium/ceramic Omega secured folding clasp. Fitted with caliber 8906, rhodium-plated, 38 jewels, antimagnetic, certified Master Chronometer, twin barrel, self-winding, visible through the sapphire-set screwed case back, screwed crown, screwed helium escape valve at 10, sapphire crystal. Dial, case and movement signed. Diam. 45.50 mm. Thickness 17.40 mm. Accompanied by a fitted presentation box and outer packaging, user manual, pictograms card, Master chronometer card, international warranty card dated 2017.