Before the 'break', we left with 4 finalists in the running for the prize - a regular St Gallen Disinfectable Rescue watch.
They were: kimlee, 41northpole, Z3 and LeonDNumidia.
The contest answer is 31 changes! (count them)
‘PuristSPro All-Black Rescue’ changes from regular ‘St Gallen Disinfectable Rescue’

Case:
1) Deleted back Engraving: Movement Calibre.
2) Deleted back Engraving: Sapphire.
3) Deleted back Engraving: Incabloc.
4) Deleted back Engraving: PVD 316L steel.
5) Deleted back Engraving: St Gallen Horology (Cross retained).
6) Engraved back: PuristSPro (above the Cross).
7) Engraved back: Ltd Edn Number xxx of 178.
8) Deleted side Engraving: Disinfectable.
9) Engraved side: PuristSPro.
10) Changed: bezel line markers to inside bezel numerals.
Dial:
1) Deleted: Hour numerals.
2) Deleted: St Gallen logo.
3) Deleted: Rescue.
4) Deleted: Depth 10ATM/330ft.
5) Deleted: Automatic.
6) Changed: 'Swiss Made' from white to black paint (non-glow).
7) Added: Black Super Luminova: PuristSPro.
8) Changed: Super Luminova respiration safe zone from Yellow to Green for better minute-track contrast.
9) Changed: Applied cartouche for Respiration and Pulsation; raised plaques and frosted finish.
10) Changed: 5 Respiration and 15 Pulsation from red to black font.
11) Changed: Date window frame thickness.
Hands:
1) All-Red Super Luminova seconds hand (old hand had non-glow red tip).
2) Minute hand lengthened to reach minute markings.
3) Hour hand lengthened in proportion to minute hand.
4) Changed hour & minute hands from paint powder-coat to PNP (palladium nickel plating).
Buckle:
1) Engraved 'PuristSPro' logo replaces 'St Gallen' (Cross retained).
2) Deleted: Disinfectable engraving.
Strap:
1) Added spare PuristSPro "Blood Red" strap.
Movement:
1) Changed movement mount from plastic to brass, by tradition.
2) Changed: higher centre stem for height clearance of hands above the applied cartouches.
3) Changed: crown locking mechanism independent of winding train (previous locking crown kept winding mechanism under tension).
THE WINNER, after a recount and minus points, is 41northpole
41northpole: Please write an e-mail to a secret mail address with a password; that will be sent by PM, your real name, postal address and a contact telephone number for our courier company.
Congratulations!
MTF