Opportunists selling $269 limited edition NS50 watches for up to $2,699.99 online

To celebrate Singapore's 50th year of National Service, or NS50, Casio released a special edition G-Shock with its popular GX-56BB model sporting an army-inspired design.

The watch sported the GX-56BB's classic face but with a "pixelised camouflage print" strap.

The watch was officially released at G-Factory outlets across Singapore on Friday for morning and were quickly snapped up.

The retail price was $269.

Many were left disappointed at how quickly the watches flew off the shelves but for those thinking they can turn to online marketplaces, be prepared for a steep price hike.

Stomp checked online marketplace Carousell for the elusive watches and found 16 sellers had put it on offer.

One seller had marked up the watch to $2,699.99.

Most of the others were selling the watch for around $350 while the rest had placed the price at $0 to get potential buyers to make a bid.