Oris Divers Sixty-Five Chronograph Calibre 771-1 Black Dial Steel Bracelet 40 mm [01 771 7791 4054-07 8 20 18]

Key Highlights

• Monochromatic black bicompax chronograph dial
• Swiss automatic Oris Calibre 771-1
• Extended 62-hour power reserve
• High-frequency 4 Hz movement operating at 28,800 vibrations per hour
• Versatile 40 mm multi-piece stainless-steel case
• Unidirectional rotating bezel with minutes-scale top ring
• Double-domed sapphire crystal with interior anti-reflective coating
• Stainless-steel bracelet with vintage-inspired styling
• Water resistance to 100 metres
• Two-year international warranty, extendable to three years through MyOris

The Oris Divers Sixty-Five Chronograph 01 771 7791 4054-07 8 20 18 translates one of Oris’s most recognizable vintage-inspired designs into a compact mechanical chronograph. Its monochromatic black dial, period-shaped case and steel bracelet recall the functional character of mid-century dive watches, while the modern Calibre 771-1 provides the performance expected from a contemporary Swiss automatic chronograph.

At 40 mm in diameter, the watch offers notably versatile proportions for a mechanical chronograph. The multi-piece stainless-steel case features the sweeping lugs associated with the Divers Sixty-Five collection, complemented by vintage-style chronograph pushers and a unidirectional rotating bezel. A black minutes-scale top ring preserves the visual language of a traditional diving watch and provides an additional method of tracking elapsed time.

A double-domed sapphire crystal reinforces the vintage profile without sacrificing modern scratch resistance. Its inner anti-reflective treatment helps maintain dial clarity under changing light, while the curved construction contributes to the subtle distortion and depth enthusiasts associate with historic acrylic crystals. The case is completed by a screwed stainless-steel back decorated with special engravings.

The black dial uses a balanced bicompax—or two-counter—layout. One subsidiary dial displays continuous seconds, while the second records up to 30 elapsed minutes. The central chronograph hand measures quarter seconds, and the streamlined arrangement leaves the dial open and immediately legible. Restrained markings, contrasting hands and the symmetrical subdial placement give the watch a purposeful appearance without making it feel visually crowded.

Inside is the Swiss Made automatic Oris Calibre 771-1, an important distinction for enthusiasts comparing generations of the Divers Sixty-Five Chronograph. Operating at 28,800 vibrations per hour, or 4 Hz, the movement supports smooth chronograph operation and precise quarter-second readings. It also includes a stop-seconds mechanism for more accurate time setting.

A substantial 62-hour power reserve represents a meaningful practical advantage. The watch can be removed on Friday evening and may still be running when it is picked up again on Monday morning. Automatic winding and Oris’s signature red rotor keep the movement charged through normal wrist motion, combining traditional mechanical character with everyday convenience.

The stainless-steel bracelet gives this reference a more integrated and substantial presence than the corresponding leather-strap configurations. Its tapering, vintage-inspired construction follows the lines of the case, while the 20 mm interhorn provides compatibility with a broad selection of alternative Oris straps. This flexibility allows the watch to move easily between a polished bracelet presentation and a more casual leather or textile configuration.

Water resistance to 10 bar, 100 metres or 330 feet provides dependable protection for daily wear and recreational time around the water. Together with the unidirectional bezel, sapphire crystal and robust steel construction, it gives the watch genuine sports-watch versatility while retaining the proportions and warmth of a heritage design.

Oris has remained dedicated to mechanical watchmaking since its founding in Hölstein in 1904. As an independent Swiss manufacturer, the brand has developed a strong following among collectors who value distinctive design, honest mechanical engineering and watches created to be worn rather than simply displayed. The Divers Sixty-Five Chronograph embodies that philosophy especially well: historically informed, mechanically engaging and carefully sized for modern use.

A character-rich mechanical chronograph that unites Oris heritage, enthusiast-focused specifications and genuine everyday versatility.

TECHNICAL SPECIFICATIONS

• Brand: Oris
• Collection: Divers Sixty-Five
• Model: Divers Sixty-Five Chronograph
• Reference: 01 771 7791 4054-07 8 20 18
• Manufacturer Part Number: 01771779140540782018
• Canadian Retail Price: C$6,350.00
• Country of Manufacture: Switzerland
• Movement: Swiss automatic mechanical chronograph
• Calibre: Oris 771-1
• Winding: Automatic winding with Oris red rotor
• Power Reserve: Approximately 62 hours
• Frequency: 28,800 vibrations per hour / 4 Hz
• Movement Diameter: 30.00 mm
• Movement Size: 13 1/4 lignes
• Functions: Hours, minutes, continuous seconds, central chronograph quarter-seconds, 30-minute chronograph counter and stop-seconds
• Case Material: Multi-piece stainless steel
• Case Diameter: 40.00 mm
• Bezel: Unidirectional rotating bezel with minutes-scale top ring
• Chronograph Controls: Vintage-style pushers
• Crystal: Double-domed sapphire crystal
• Crystal Coating: Anti-reflective coating on the interior
• Caseback: Screwed stainless-steel caseback with special engravings
• Dial Colour: Black
• Dial Configuration: Monochromatic bicompax / two-counter display
• Bracelet Material: Stainless steel
• Clasp: Folding clasp
• Interhorn Width: 20 mm
• Water Resistance: 10 bar / 100 metres / 330 feet
• Standard Warranty: 2-year international warranty
• Warranty Extension: Extendable to 3 years with free MyOris registration

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