Stainless Steel Seiko Automatic Prospex Luxe "Alpinist" SPB503, New

SPECIFICATIONS:
MOVEMENT CALIBER NUMBER: 6R55
MOVEMENT TYPE: AUTOMATIC WITH MANUAL WINDING
PRECISION +25 TO -15 SECONDS PER DAY
POWER RESERVE APPROX. 72 HOURS(3 DAYS)
24 JEWELS
FUNCTIONS:
STOP SECOND HAND FUNCTION
CASE MATERIAL: STAINLESS STEEL (SUPER HARD COATING)
CASE SIZE: THICKNESS:12.7MM, DIAMETER:39.5MM, LUG-TO-LUG:46.4MM
CRYSTAL: SAPPHIRE CRYSTAL WITH MAGNIFIER
CRYSTAL COATING: ANTI-REFLECTIVE COATING ON INNER SURFACE
LUMIBRITE ON HANDS AND INDEX(ES)
CLASP: THREE-FOLD CLASP WITH PUSH BUTTON RELEASE
DISTANCE BETWEEN LUGS: 20MM
WATER RESISTANCE: 20 BAR
MAGNETIC RESISTANCE: 4,800 A/M
WEIGHT: 147.0G
ROTATING COMPASS BEZEL
SCREW-DOWN CROWN
SEE-THROUGH & SCREW CASE BACK