Graham Chronofighter Oversize Diver family was just boosted with yet another model – the Oversize Driver all Black.

Founded by the father of chronograph, George Graham, the Graham London perpetuates the spirit of extraordinary innovations and technical expertise. Their most recent innovation is the new version of already famous Chronofighter Oversize Diver watches, designed for deep underwater exploration.
These large, masculine and robust pieces boast 47 millimeters in diameter and offers up to 330 meters of water resistance. The newest watch is crafted in stainless steel and has a bold black PVD-coated case. At the edge of the case there is a helium escapement valve, a must have feature for professional divers operating at great depths. Their berating gas contains helium, whose atoms are the smallest natural gas particles, able to get inside the watch. During resurfacing, the pressure difference may build between the gasses trapped in the case, and those in the environment. Helium escapement valve allows to release these gases and prevent any kind of damage to the watch (most probably, the crystal would pop off).

The dark black dial offers chronograph functionality, having two separate counters for seconds and 30-minutes. Small date aperture is positioned at 7 o’clock, and the only discrete details that animate the black surface of the dial are small white Arabic numerals and bright orange tip of the hands. However, deep under the ocean, the watch reveals another face. Unusual black Super-LumiNova is invisible in light but it comes to life in the ocean depths, when hands and even the smallest time-markers start emitting bright green hue.
Graham caliber G1734 lies at the heart of the watch. This Swiss automatic caliber is equipped with 28 jewels and an Incabloc shock absorber. Beating at 28,800 vph, it offers 48 hours of power reserve.
This watch is priced at 10.500 CHF (which is about 12.500 USD)
Ref. 2OVEB.B40A
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