Ref. 636.0458.3, diver’s, self-winding, centre-seconds, date, day; “DiaStar 200 m”; tungsten carbide and stainless steel

Tungsten carbide and stainless steel, self-winding, vertical “tonneau”-shaped, diver’s wristwatch, water-resistant with case-back screwed by four screws, 60-minute graduated bidirectional revolving red and white colours inner bezel for the decompression times (activated by the crown at 3 o’clock), dark purple colour “velvet” dial with applied diamond-set indexes, centre-seconds and two horological complications:

· Instantaneous date of the month (aperture at 6 o’clock)

· Day of the week (double aperture at 6 o’clock; indications given in German)

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