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U-BOAT WATCHES
Watch Winding Specifications

MODEL, DESCRIPTION MOVEMENT / CALIBER WINDING DIRECTION TURNS PER DAY (TPD)
Automatico Argento U-925 ETA 2824-2 Both 650
Automatico Argento U-925 Inglese ETA 2824-2 Both 650
Chimera 48 Carbonio GMT CW 800
Classico 1001 Both 650
Classico A925 ETA 2824-2 Both 650
Classico AB ETA 2824-2 Both 650
Classico AB 4 ETA 2824-2 Both 650
Classico AS ETA 2824-2 Both 650
Classico CA925 Both 650
Classico CAS ETA 7750 CW 800
Classico Gold A 18K ETA 2824 Both 650
Classico Gold CA 18K ETA 7750 CW 800
Classico Golden Crown ETA 2824 Both 650
Classico U-1001
Eclipse ETA 2824 Both 650
Flightdeck ABO ETA A07.111 CW 800
Flightdeck CA 18K ETA 7750 CW 800
Flightdeck CA 18K3 CW 800
Flightdeck CA-CB Titanium ETA 7750 CW 800
Flightdeck CAB ETA 7750 CW 800
Flightdeck CAB WH ETA 7750 CW 800
Flightdeck CAS ETA 7750 CW 800
Flightdeck CAS BE ETA 7750 CW 800
Flightdeck Eclipse Both 650
Flightdeck Elementium Both 650
Flightdeck Gold Bezel ETA 7750 CW 800
Flightdeck Steel Bezel ETA 7750 CW 800
Flightdeck Titanium ETA A07.211 CW 800
Nightvision ETA 2824 Both 650
Thousands of Feet AB ETA 2824 Both 650
Thousands of Feet AS ETA 2824 Both 650
Thousands of Feet CAB3 ETA 7750 CW 800
Thousands of Feet CAS3 ETA 7750 CW 800
Thousands of Feet Diamond ETA 2824 Both 650
Thousands of Feet Gold ETA 2824 Both 650
Thousands of Feet Gold Bezel ETA 7750 CW 800
Thousands of Feet Ruby ETA 2824 Both 650
U-42 Unicum Both 650

If ever you are unable to find your watch model in this table, here's an easy way to determine the winding requirements for your U-BOAT watches.

  • Select the combined winding mode (CW+CCW) and the minimal number of turns per day (TPD).
  • Place your watch into the winder and check after a few days how accurate your watch shows the time.
  • If it runs behind, it is necessary to increase the number of TPD by one increment.

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