Klepcys Alarm46 mm steel case 3D dial in blue with engraved triangular motifs in the centre In house manufacture hand winding movement with double barrels, calibre CYR1280 72 hour power reserve Case back with sapphire crystal Hours, minutes, central seconds Luminescent hour markers and hands Day night indicator of the main time at 11 o'clock 24 hour wakeup alarm on sub dial between 3 and 5 o'clock Alarm chime by means of hammer at 7 o'clock (16 seconds duration).