Blancpain, Pioneer Series, Model: 8805-1134-53B, Classic Pioneer Large Calendar Reserve, case diameter: 43.5mm, grey semi-open dial, luminous hour markers, signature large hour markers at 9 o 'clock and 3 o 'clock, power reserve indication at 12 o 'clock, power reserve of 192 hours, large date display at 6 o 'clock, made of stainless steel, equipped with the 13R5 automatic movement with a transparent back, folding clasp!