SAN MARCO DRASS
Automatic Soprod SA, caliber 9055/2892-A-2-SO on base ETA 2892-2, 30 jewels, antichoc Incabloc, 28.800 A/h; power reserve 40 hours. Caliber dimensions: diameter 25.60 mm, thickness 5.10 mm. Escapement: Glucydur balance, Anachron hairspring, adjusted 4 positions, movement running tolerance 0 +15sec/day. Colimaçon finish, specific Anonimo rotor. The escapement assortment is high quality made, already foreseen for chronograph certifications (COSC). An upper module is laid on the base caliber for the supplementary functions.
Hours, minutes, sweep seconds; 24 hours GMT indicator hand between h. 10 and h. 12; power reserve indicator hand between h. 4 and h. 6; under dial indicator disk for specific D-Day count-down function; date window display at h. 2.
Manufactured in AISI316 Plus nonmagnetic stainless steel, sand-blasted finish. The case is then submitted to the process Ox-Pro blackening treatment process of the case surface and passivated for antireflection and anticorrosion functions; successive sandblasting finishing cycle to improve resistance to wear (Drass).
Dimensions: maximum length mm. 55.50; maximum diameter with crown/GMT setting push button included mm. 52.70; nominal diameter mm. 46.50; maximum thickness mm. 15.50; strap width mm. 24.00. Monobloc construction in which a sole element works as central part of the case (Carrure) and back cover, closed by one bezel on the upper side.
Bezel closing is ensured by five external stainless steel Thorx screws which guarantee a good and easy grip and a superior tightening (30%) compared to comparable screws with traditional head. Bayonet quick tightening main crown at h. 2 ( for time setting and winding); screw tube; secondary crown with screw tube, at h. 4 for rotation of the internal ring, set on the dial.
Screw locked push button between h. 9 and 10 to allow regulation of the second time zone. Wrist strap is provided with hexagon-headed security screws and one lower screw with shaped head. This last screw allows the access for the release of the winding stem. All the above mentioned components are manufactured in stainless steel. Flat upper sapphire crystal.
Oversized round dial for optimal visibility. Rotating external ring with hours scale, preceding and successive to hour H. The main hours indexes are treated with yellow luminous coating for a superior day/night readability. The secondary dial is misaligned for the 24 H GMT and day/night function, with hour indexes treated with white luminous coating to differentiate from the main hours. Hours, minutes, sweep seconds and 24h GMT hands treated with luminous coating; the power reserve hand is painted in contrasting colour with the dial.
Manufactured in washable leather “Opera Kodiak” for extended immersions in water (24 continuous hours). Exclusive Dino Zei buckle in stainless steel.