The Jacob & Co. Automatic Chronograph is a Swiss mechanical chronograph from the brand’s distinctive early-2000s period, combining a 40 mm stainless-steel case with an unconventional multicolored mother-of-pearl dial. At its core is the automatic ETA Calibre 7753, a proven integrated chronograph movement operating at 28,800 vibrations per hour and offering approximately 44-48 hours of power reserve.
This model is particularly interesting for the contrast between traditional Swiss chronograph engineering and Jacob & Co.’s highly recognizable geometric design language, with asymmetric colored sections replacing the conventional appearance of circular chronograph registers.
Design
The Jacob & Co. Automatic Chronograph is built around a round 40 mm stainless-steel case with a substantial 15 mm thickness. Polished surfaces dominate the exterior, giving the chronograph the bright, jewelry-oriented appearance associated with Jacob & Co.’s designs from this period. A fixed stainless-steel bezel surrounds the dial, while the relatively broad lugs create a strong transition between the case and strap.
The dial is the defining feature. A blue mother-of-pearl base produces changing blue, turquoise and violet reflections, while large irregular geometric sections in yellow, pink, magenta and blue create an intentionally asymmetric composition. The chronograph indications are incorporated into these colored areas rather than being visually separated into conventional circular sub-dials. Large Roman numerals at 12, 3, 6 and 9 establish the principal hour positions, complemented by a detailed peripheral minute track. Silver-tone central hands cross the geometric composition, while a red central chronograph seconds hand introduces another contrasting element. The date aperture is positioned diagonally around 4:30, following the angular architecture of the dial rather than interrupting it with a conventional vertical window.
A sapphire crystal protects the display, providing the scratch resistance expected from a luxury chronograph. The watch was offered with different strap configurations, and documented examples include alligator and other leather straps combined with a stainless-steel deployant clasp. The white strap fitted to the pictured example further emphasizes the saturated colors and iridescent surface of the mother-of-pearl dial.
Case & Construction
This Jacob & Co. Automatic Chronograph uses a stainless-steel case measuring 40 mm in diameter and approximately 15 mm thick, with documented examples measuring about 47 mm across the case and lug structure. The 22 mm lug width gives the watch conventional strap proportions despite the relatively substantial vertical profile of the automatic chronograph construction.
A fixed stainless-steel bezel frames the sapphire crystal. On the right side, a conventional crown is positioned between 2 chronograph pushers controlling the start, stop and reset functions. The rear incorporates an exhibition caseback, allowing the automatic mechanical movement to remain visible.
Water resistance is rated at 30 meters (3 ATM). This level provides protection against incidental contact with water but does not make this model suitable for swimming or aquatic use. Its construction is therefore better understood as that of a luxury mechanical chronograph intended primarily for everyday and social wear rather than a professional sports watch.
Movement
Inside the Jacob & Co. Automatic Chronograph is the ETA Calibre 7753, a Swiss automatic mechanical chronograph movement derived from the established ETA/Valjoux 7750 architecture. Unlike modular chronographs that place a separate timing mechanism over a conventional base caliber, the 7753 uses an integrated chronograph architecture. Its automatic winding system uses the motion generated while the watch is worn to maintain tension in the mainspring.
The movement operates at 28,800 vibrations per hour (4 Hz), and contains 25 jewels. Available specifications for this watch quote a power reserve between approximately 44 and 48 hours, with 48 hours appearing in structured caliber specifications and approximately 44 hours in individual seller documentation. The ETA 7753 is distinguished from the standard 7750 partly by its horizontal 3-6-9 subsidiary-dial architecture, making it particularly suitable for traditional 3-register chronograph layouts.
Its use gives the Automatic Chronograph considerably more mechanical substance than its highly decorative appearance might initially suggest. The 7753 belongs to one of the most established families of Swiss automatic chronograph movements, combining a widely understood architecture with straightforward servicing and a long history of use across the watch industry.
Functions & Complications
The Jacob & Co. Automatic Chronograph provides hours, minutes and small seconds, together with automatic winding and a complete mechanical chronograph. The chronograph includes a central chronograph seconds hand, 30-minute counter and 12-hour counter, allowing elapsed times to be measured over both short and extended intervals. The ETA 7753 architecture organizes these indications around its characteristic 3-6-9 sub-dial layout, although Jacob & Co. visually integrates the counters into the irregular geometric sections of the multicolored mother-of-pearl dial.
A date display adds everyday functionality and is positioned diagonally around 4:30. The 2 chronograph pushers on the right side of the case control the start, stop and reset operations. The underlying functionality follows a traditional mechanical chronograph configuration, while the asymmetric dial treatment gives the indications a much less conventional visual presentation.
Performance
With its 40 mm diameter, approximately 15 mm thickness and roughly 47 mm overall case dimension, the Jacob & Co. Automatic Chronograph has a substantial wrist presence without relying on the oversized dimensions found on some later Jacob & Co. watches. The relatively short overall proportions help balance its considerable thickness, while the 22 mm leather strap keeps the watch securely positioned on the wrist.
Time reading remains reasonably straightforward thanks to the large Roman numerals and prominent central hands, although the multicolored geometric dial makes the chronograph indications less immediately readable than those of a conventional sports chronograph. Some documented ACM-11 examples also feature luminous hands and markers. The sapphire crystal is beneficial for regular use, while the 30-meter water resistance means the watch requires greater care around water.
Its strongest practical combination is therefore mechanical chronograph functionality with distinctive luxury styling. The watch is better suited to collectors seeking visual character and an established Swiss automatic movement than to users requiring a highly legible or water-resistant professional timing instrument.
Technical Data
Brand: Jacob & Co. Watches;
Model: Jacob & Co. Automatic Chronograph (Ref. ACM-11);
Year: 2000-2010;
Case Material: Stainless Steel;
Case Diameter: 40 mm;
Case Thickness: 15 mm;
Lug Width: 22 mm;
Lug-to-Lug: ~47 mm;
Crystal: Sapphire Crystal;
Water Resistance: 30 m / 100 ft (3 ATM);
Power Reserve: ~44-48 Hours;
Movement: Automatic Mechanical Watches – ETA Calibre 7753 (Swiss Movement);
Functions: Hours, Minutes, Central Chronograph Seconds, 30-Minute Counter, 12-Hour Counter, Small Seconds, Automatic Winding;
Complications: Chronograph, Date Display;
Bracelet / Strap: Alligator Leather Strap / Stainless Steel Deployant Clasp;
Type: Casual Watches, Chronograph Watches, Collectible Watches, Dress Watches, Fashion Watches, Luxury Watches, Sports Watches;
Sex: Unisex Watches;
Nationality: Swiss Watches.
Retail Price (Launch): ~€5,800 / ~$6,500.
The Jacob & Co. Automatic Chronograph represents an important phase in the brand’s development, when bold colors, jewelry-inspired surfaces and unconventional dial layouts became closely associated with its identity. Its multicolored mother-of-pearl dial reflects the visually assertive luxury aesthetic that characterized many Jacob & Co. watches of the 2000s, while the ETA 7753 automatic chronograph movement gives the model genuine mechanical substance.
The combination of a proven Swiss caliber, sapphire crystal, distinctive geometric dial and relatively uncommon ACM-11 reference makes this chronograph particularly relevant to collectors interested in early Jacob & Co. watches and the brand’s transition from jewelry-driven design toward increasingly ambitious mechanical watchmaking.
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