Graham Chronofighter Oversize Prodive

Graham Chronofighter Oversize ProdiveGraham is best known for chronographs with oversized “trigger” activation mechanisms. The 45-mm Chronofighter Oversize Prodive takes Graham’s expertise in this area under the sea. The new line features the first chronograph proven to operate at a depth of 2,000 feet. Most chronographs can’t be used under water because the pushers are not sealed. The pusher on this model is.

Graham’s patented chronograph activation trigger is on the left side of the case, as on other Chronofighter models. This trigger is the sole control used to start, stop and reset the chronograph. The trigger’s large size makes the chronograph very easy to use while wearing dive gloves.

The unidirectional rotating bezel is designed to provide an excellent grip, and the rubber strap with the folding buckle is equipped with a divers’ extension. The dial has luminescent indications in two colors for improved legibility. Graham says that in murky conditions, the watch is perfectly readable from 25 cm, or about 10 inches. The Prodive also features a helium release valve and a crown with an automatic locking system.

This version of the Prodive will be produced in a limited edition of 200 pieces priced at $15,750. Non-limited Prodive models are also available, priced from $13,400.

Graham Chronofighter Oversize Prodive-front

Graham Chronofighter Oversize Prodive back

Technical characteristics:

Movement: Graham Caliber G1734, automatic monopusher chronograph; 28,800 vph (4Hz); Incabloc shock absorber; 25 jewels; 48-hour power reserve

Functions: Hours, minutes, seconds; chronograph with 30-minute counter; date at 9 o’clock; automatic helium escape valve in black PVD

Case and strap:  stainless steel case, 45 mm in diameter; integrated steel-with-black-PVD left-hand fast-action start/stop/reset trigger; screwed yellow-rubber-coated crown; automatic locking system (bayonet) and red safety ring; steel-with-black-PVD bezel, unidirectional rotating rim (120 positions) to measure decompression time; water-resistant to 2,000 feet/600 meters; domed sapphire crystal, with nonreflective coating on both sides; steel caseback with imprinted shark illustration and limited-edition serial number; integrated yellow rubber strap with steel pin buckle with extension

Dial and hands: Black dial and subdials, propeller-shaped seconds counter, white Super-LumiNova hands and indices, yellow for chronograph minutes counter’s hands, double luminescent indications in blue and green

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