Glycine Combat Sub GMT Bronze Ref. GL0150
GMT/Travel Watch, specifically a Pilot/Dive-style hybrid GMT tool watch · Glycine (owned by Invicta Watch Group, operated under Breitling SA management), mid-range Swiss heritage brand
Period: Modern Luxury (2000s-present) with strong vintage military tool watch aesthetics
Type
GMT/Travel Watch, specifically a Pilot/Dive-style hybrid GMT tool watch
Brand
Glycine (owned by Invicta Watch Group, operated under Breitling SA management), mid-range Swiss heritage brand
Movement
Automatic mechanical, ETA 2893-2 or GL293 caliber, 28,800 vph (4 Hz), approximately 42 hours of power reserve, 21 jewels
Dimensions
Case diameter: 42 mm, case thickness: 11 mm, lug-to-lug distance: 49 mm, lug width: 22 mm
Description
The Glycine Combat Sub GMT Bronze is a rugged yet refined traveler's tool watch that combines military-inspired heritage with modern watchmaking functionality. Its bronze case provides a living finish that evolves uniquely with the owner's lifestyle. The stark matte black dial offers exceptional legibility, complemented by the utility of a true GMT complication for tracking multiple time zones simultaneously.
Key Features
Bronze case material that develops a unique patina, true caller GMT function with a striking red-tipped hand, remarkably thin profile for a 200m water-resistant automatic GMT watch (11mm), and vintage military-styled dial layout
Dial Description
Matte black dial featuring applied circular and rectangular luminous hour markers, pencil-style hands with white luminous filling, a distinctive red-tipped GMT hand, and a date display at the 3 o'clock position under a cyclops magnifying lens
Case Material
Bronze alloy with a brushed/satin finish designed to develop a natural patina over time
Crystal Type
Flat sapphire crystal with anti-reflective coating on the underside and a magnifying cyclops lens over the date window
Bezel Details
Bidirectional rotating bronze bezel with a black 24-hour scale insert for tracking a second time zone
Crown & Pushers
Signed screw-down crown located at the 3 o'clock position, flanked by subtle integrated case guards
Bracelet or Strap
Olive green canvas/fabric military-style strap with matching bronze pin buckle hardware
Caseback Details
Solid stainless steel screw-down case back with etched Glycine branding and technical specifications
Movement Type
Automatic mechanical, ETA 2893-2 or GL293 caliber, 28,800 vph (4 Hz), approximately 42 hours of power reserve, 21 jewels
Water Resistance
200 meters (20 ATM / 660 feet), suitable for swimming, snorkeling, and recreational scuba diving
Origin & Provenance
Swiss Made, manufactured in Switzerland utilizing a Swiss automatic base movement
Age Estimate
Circa 2018-present modern production era
Cultural Significance
Glycine holds an important place in aviation and military watch history, bridging the gap between accessible utilitarian tool watches and Swiss mechanical craftsmanship. The use of bronze taps into the modern vintage trend popular among collectors
Condition Notes
The watch appears to be in very good condition with minimal wear on the case and an early stage of natural bronze patina forming. Crystal and bezel insert are clean without visible scratches or damage
Value Estimate
Secondary market value typically ranges from $500 to $900 USD depending on condition, inclusion of original box and papers, and the extent of bronze patina development
Care & Maintenance
Recommended professional service interval of 4 to 5 years, water resistance pressure testing annually, avoid harsh chemical cleaners on the bronze case to allow natural patination, and store in a cool dry place
Similar Watches
Steinhart Ocean One Vintage GMT Bronze, Christopher Ward C65 Trident Bronze GMT, Hamilton Khaki Navy Scuba GMT, and Seiko 5 Sports GMT
Interesting Facts
Glycine is historically famous for creating the iconic Airman watch in 1953, one of the very first wristwatches featuring a 24-hour dial and GMT capabilities designed specifically for pilots and frequent travelers