True to Alpina Watches DNA, the Alpiner collection presents strong and sturdy watches that can resist the toughest conditions whilst remaining pure and easy to wear. In 1933 the Alpina 4 set the standards of the modern sports watch, for which the spirit is still maintained in today's collection.

FUNCTIONS
HOURS, MINUTES, SECONDS, DATE

MOVEMENT
AL-525 CALIBER, AUTOMATIC
38-HOUR POWER-RESERVE, 26 JEWELS, 28’800 ALT/H

CASE
BRUSHED AND POLISHED STAINLESS STEEL 3-PART CASE
DIAMETER OF 41 MM
HEIGHT OF 11,50 MM
SCRATCH-RESISTANT CONVEX SAPPHIRE CRYSTAL
SEE-THROUGH CASE-BACK
WATER-RESISTANT UP TO 20 ATM/200M/660FT
SCREW-IN CROWNS AND CASE BACK

DIAL
BLACK DIAL WITH TRIANGLE PATTERN
BLACK OUTER RING WITH WHITE MARKERS
APPLIED SILVER COLOUR INDEXES FILLED WITH WHITE LUMINOUS TREATMENT
DATE WINDOW AT 3 O’CLOCK
HAND-POLISHED SILVER COLOR HOUR AND MINUTE HANDS FILLED WITH WHITE LUMINOUS TREATMENT
POLISHED SILVER COLOR SECOND HAND WITH RED TRIANGLE

STRAP
BLACK RUBBER STRAP

REF#AL-525B4AE6