cal. ETA calibre 2892 A2 automatic nickel lever movement 21 jewels • 18K white gold case with an arch-shaped aperture spanning from the 9 to the 3 five engraved indexes on the underside of the arch separate the hour into four 15 minute quadrants a painted Arabic numeral traverses the arch and the time is indicated by its location in relation to the indexes • polished and brushed lug at 6 and hidden central lug at 12 with screwed bars case back secured by 6 screws • case dial and movement signed • with an 18k white gold Urwerk buckle