Stainless Steel Prospex "Alpinist" Automatic GMT Watch SPB379

GENT'S WHITE STAINLESS STEEL SPORT WATCH PROSPEX ALPINIST AUTOMATIC GMT LUXE
STRAP/BRAC.: STRAP, BLACK LEATHER
CLASP: DEPLOYMENT
MECH-AUTO: AUTOMATIC
CRYSTAL: SAPPHIRE CRYSTAL
BEZEL: 24 HOUR
DIAL: LUMIBRITE HANDS & INDEX MARKERS

MOVEMENT CALIBER NUMBER: 6R54
MOVEMENT TYPE: AUTOMATIC WITH MANUAL WINDING, PRECISION +25 TO -15 SECONDS PER DAY, POWER RESERVE APPROX. 72 HOURS (3 DAYS).
JEWELS: 24
24-HOUR HAND (DUAL TIME DISPLAY FUNCTION)
STOP SECONDS HAND FUNCTION
CASE MATERIAL: STAINLESS STEEL (SUPER HARD COATING)
CASE SIZE: THICKNESS:13.6MM, DIAMETER:39.5MM, LUG-TO-LUG:46.4MM
CRYSTAL: CURVED SAPPHIRE CRYSTAL
CRYSTAL COATING: ANTI-REFLECTIVE COATING ON INNER SURFACE
LUMIBRITE ON HANDS AND INDEX(ES)
BAND MATERIAL: COW STEER
CLASP: THREE-FOLD CLASP WITH PUSH BUTTON RELEASE
DISTANCE BETWEEN LUGS: 20MM
WATER RESISTANCE 20 BAR
SCREW-DOWN CROWN
SEE-THROUGH & SCREW CASE BACK