Seamaster Diver 300M Co‑Axial Master Chronometer Chronograph 44 mm
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Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. Today’s modern collection has embraced that famous ocean heritage and updated it with OMEGA’s best innovation and design.
This 44 mm chronograph model is crafted from stainless steel and 18K Sedna™ gold, and includes a polished black ceramic bezel with a Ceragold™ diving scale. The pushers are also polished black ceramic, as well as the dial which features laser-engraved waves and a date window at 6 o’clock.
The subdial hands are 18K Sedna™ gold, along with all other hands and indexes which are filled with white Super-LumiNova.
The watch is presented on a stainless steel and 18K Sedna™ gold bracelet and is driven by the OMEGA Master Chronometer Calibre 9900, which can be seen through the sapphire-crystal on the wave-edged caseback.
Helium escape valve
Master Chronometer Certified
Time zone function
Unidirectional rotating bezel
Between lugs: 21 mm
Lug‑to‑lug: 52.8 mm
Thickness: 17.2 mm
Case diameter: 44 mm
Case: Sedna™ gold
Water resistance: 30 bar (300 metres / 1000 feet)
Total product weight (approx.): 237 g
1. Between lugs
3. Case diameter
Dial and Crystal
Dial colour: Black
Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Material: Steel ‑ Sedna™ Gold
Type of Clasp: Foldover clasp with comfort setting and diver extension