found this from reading another forum .
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Brand: Rolex
Model Reference: Submariner 16610LV
PX Reference: PXD SS1
PROJECT X DESIGNS - Limited Edition Rolex Submariner
The PXD SS1 is an exclusive Limited Edition production of 24 original Stainless Steel Rolex Submariners, which have been designed & customised by Project X Designs to an exceptional standard.
The Project X Designs PXD SS1 customisation pays homage to the James Bond Submariners of the 1950s & Military Submariners of the 1970s.
The PXD SS1 features:-
Satin finished Stainless Steel Case
No Crown Guards
No Cyclops
Bezel Insert changed from Green to Black
Spring Loaded Fixed Bars (Reversible. The original bracelet is included)
Enamelled Caseback engravings (With X Logo + Issue #)
Green "X" logo on the dial
Grey G10 NATO strap with Black PVD fittings
All watches are brand new original Rolex Submariners (Z,M or V serials) & presented with :-
Their original manufacturers Box, Papers & Accessories.
A Project X Designs Certificate of Customisation
A 1 year Project X Designs guarantee against mechanical failure.
=========================
Brand: Rolex
Model Reference: Submariner 16610LV
PX Reference: PXD SS1
PROJECT X DESIGNS - Limited Edition Rolex Submariner
The PXD SS1 is an exclusive Limited Edition production of 24 original Stainless Steel Rolex Submariners, which have been designed & customised by Project X Designs to an exceptional standard.
The Project X Designs PXD SS1 customisation pays homage to the James Bond Submariners of the 1950s & Military Submariners of the 1970s.
The PXD SS1 features:-
Satin finished Stainless Steel Case
No Crown Guards
No Cyclops
Bezel Insert changed from Green to Black
Spring Loaded Fixed Bars (Reversible. The original bracelet is included)
Enamelled Caseback engravings (With X Logo + Issue #)
Green "X" logo on the dial
Grey G10 NATO strap with Black PVD fittings
All watches are brand new original Rolex Submariners (Z,M or V serials) & presented with :-
Their original manufacturers Box, Papers & Accessories.
A Project X Designs Certificate of Customisation
A 1 year Project X Designs guarantee against mechanical failure.

