Brand: Ulysse Nardin
Model: Blast Tourbillon Rainbow, Lady Diver Rainbow White, Lady Diver Rainbow Black
Reference Number: 1723-400B1LE-2B-RAIN/3, 8163-182B1LE-1A-RAIN/3A, 8163-182B1LE-2A-RAIN/3A

Diameter: 45mm, 39mm
Thickness: 13mm, 11mm
Case Material: Black DLC titanium middle-case, black ceramic polished & sandblasted upper-case, stainless steel polished case,  black stainless steel case for the Blast. For the Lady Diver Rainbow in White, stainless steel polished case; for Lady Rainbow Diver in Black, black stainless steel case.
Dial Color: Skeleton/Rectangle and double X in black/Black indexes set with 12 rainbow baguette gemstones for the Blast. For the Lady Rainbow Diver in White, silver dial, 11 diamonds, 0.12 CTS. For the Lady Rainbow Diver in Black, black dial,  11 diamonds, 0.12 CTS (Black).
Lume: Black hands in Super-LumiNova on the Blast; 12 o’clock index and hands with Super-LumiNova on the Rainbow Lady Divers.
Water Resistance: 50 meters for the Blast; 300 for the Lady Divers
Strap/Bracelet: For the Blast, black velvet waterproof rubber or black alligator strap. For the Lady Rainbow Diver in White, white structured strap, and a white alligator strap with a stainless-steel tang buckle. For the Lady Rainbow Diver in Black, black structured rubber strap, black alligator strap with white stitching and black ceramic tang buckle.