CASE WIDTH: 0.5MMLUG WIDTH: 13MMCASE MATERIAL: GOLD-TONE STAINLESS STEELWATER RESISTANCE:WR100/10BAR/333FT [SWIMMING, SHOWERING & SNORKELING]MATERIAL: CURVED SAPPHIRE CRYSTALMOVEMENT: 82S5 AUTOMATICPOWERED BY THE RELEASE OF A WOUND SPRING, MECHANICAL MOVEMENTS NEVER REQUIRE A BATTERY. AUTOMATIC MECHANICAL MOVEMENTS HAVE AN OSCILLATING WEIGHT THAT WINDS THE SPRING WITH THE MOTION OF THE WEARERS ARM.3 HANDAUTOMATICSUB SECOND HANDHACK FEATURE42 HOUR POWER RESERVEDIAL: BLUEDETAILS: BRASSLUMINOUS HANDS;LUMINOUS HANDS ;OPEN APERTURE, HEARTBEAT;ROMAN NUMERALS;TUNING FORKBAND TYPE: HNBR RUBBERCLASP: 3PC WIRE STRAP BUCKLE