Brand Omega, Bienne / Biel Model ‘Speedmaster Professional’ ‘Moonwatch’ ‘Tokyo 2020’ Retailed by / made for made in in honour of the 2020 Tokyo Olympics ; limited edition of 2 020 pieces, No. 858 / 2 020 Year circa 2018 Reference 522.30.42.30.06.001 Movement No. 78 850 344 Calibre 1861, manual-winding, 18 jewels Case No. 78 850 344 Material/s stainless steel Bracelet stainless steel Omega bracelet (Ref. STZ006272) Buckle stainless steel deployant clasp (Ref. STZ004666) Dimensions Ø 42 mm. 48.2 x 42.3 mm. Ø 39.8 mm. (bezel) Thickness 13.9 mm. Length 170 mm. (approx.) Tokyo 2020 Certificate of Authenticity, international guarantee card (dated, September 07, 2019), pictograms-card, instruction booklet, four additional links, hang-tag Omega Ref. 522.30.42.30.06.001, chronograph, minutes and hours counters, calibre 1861, silver dial, red insert, ‘Speedmaster Professional’ ‘Moonwatch’ ‘Tokyo 2020’; stainless steel -- Stainless steel, manual-winding, vertical tonneau-shaped, gentleman’s wristwatch, with subsidiary seconds at 9 and three horological complications: · 1/6 second chronograph (activated by the two round-shaped push-pieces located on the case-band; start, stop and return to zero functions) with tachometric scale graduated on the bezel for 500 units per hour · Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock) · Dragging 12-hour counter (subsidiary dial at 6 o’clock) -- Case: three-piece, polished and satin-finished, water-resistant with screwed case-back; polished Omega crown; stainless steel bezel with red insert. Dial: silver colour, with applied stainless steel radiating indexes with luminescent dots, silver colour auxiliary dials with black painted suspended Arabic numerals; stainless steel luminescent ‘Bâton’ hands. Movement: calibre 1861 (based on Lemania 1873), manual-winding, 18 jewels.
