1) Casio G-Shock, GA-2100: P9,600

The original 1980s G-Shocks were tough, but that was about it.
Today’s models are even tougher—this one gets a patented carbon-reinforced resin case—but also cater to more expressive tastes, like this 200m water resistant camo edition.
2) Sinn U50: P152,935

This German brand was founded in the 1960s and is known for no-nonsense tool watches. The U50 diver has an automatic movement and a case made from seawater-resistant submarine steel.
At 41mm it’s considered a pretty average watch size, but it still boasts a hefty 500m water resistance.
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3) TAG Heuer, Carrera Chrono: P542,150

With legit motorsport chops, TAG Heuer is still very popular among petrol fanciers.
You get a lot for your money here, including an 80-hour in-house automatic movement and the compression-loaded domed sapphire crystal. The 41mm steel case is water resistant to 100m.
4) Audemars Piguet, Royal Oak: P2,039,145

In the rarefied world of Royal Oaks, this one is not particularly fancy, eschewing tourbillons and diamonds.
But it is closest to the pioneering 1972 original, with a torsion-resistant 41mm stainless steel case and an automatic movement with a 70-hour power reserve, plus 50m dive rating.
NOTE: This article first appeared on TopGear.com. Minor edits have been made.