Mido Ocean Star Diver 600 Chronometer 43.5mm Black Dial Black Rubber Strap Men's Watch M0266083705100

The Mido Ocean Star Diver 600 Chronometer Black DLC M0266083705100 is part of Mido's Ocean Star Diver 600 Chronometer collection, housed in a 43.5mm stainless steel with black dlc coating case on a black rubber strap. A black dial paired with Mido's Swiss-made automatic chronometer (cosc certified) Caliber 80 Si COSC with 80 hours power reserve makes this an authentic, brand-new piece in our INCMAXX collection. The Ocean Star Diver 600 Chronometer is Mido's most serious dive instrument — COSC chronometer-certified, water-resistant to 600 meters with helium escape valve, and powered by the Caliber 80 Si with silicon balance spring. It honors Mido's reputation as the 'King of Waterproof Watches' since 1944.

Reference / SKU	M0266083705100
Case	43.5mm × 14.6mm, stainless steel with black dlc coating, unidirectional rotating diving bezel
Dial	Black, with applied indexes (super-luminova grade x)
Movement	Mido Automatic Chronometer (COSC Certified) (Caliber 80 Si COSC), 21600 vph, 80 hours power reserve
Bracelet / Strap	Black Rubber Strap with titanium pin buckle
Water resistance	600 meters (60 bar)

Authentic Mido, brand-new with original box and papers. Free US shipping, 2-year INCMAXX warranty, 30-day returns. Browse more Mido watches at INCMAXX.

What makes the Ocean Star 600 a serious dive watch? It's water-resistant to 600 meters (60 bar), fitted with a helium escape valve for saturation diving, COSC chronometer-certified for precision, and uses the Caliber 80 Si with a silicon balance spring for anti-magnetic accuracy. The unidirectional ceramic bezel is filled with Super-LumiNova Grade X for maximum legibility underwater.

What's special about the Caliber 80 Si COSC movement? The Caliber 80 Si is Mido's COSC chronometer-certified automatic movement with a silicon balance spring. Silicon is non-magnetic, lighter and more temperature-stable than metal alloys — delivering superior precision (±4/+6 seconds per day per COSC standard) and resistance to magnetic fields. 80-hour power reserve.

Does the 43.5mm size wear well day-to-day? Yes — at 43.5mm this is widely considered a bold, presence-rich size, suitable for most wrist sizes and easy to wear with formal or casual attire.

What comes with the watch when I buy from INCMAXX? Your watch ships in the original Mido box with the appropriate documentation, plus INCMAXX's 2-year authenticity-backed warranty, secure insured shipping and our 30-day return policy. Every piece is inspected by our team before it leaves our facility so it arrives ready to wear.