Ulysse Nardin Diver Chronometer Great White 44mm Titanium LE 1183-170LE-3/90-GW

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Ulysse Nardin Diver Chronometer "Great White" Limited Edition — Ref. 1183-170LE-3/90-GW

One of only 300 pieces produced worldwide, this is the "Great White" Limited Edition from Ulysse Nardin's Diver Chronometer collection — a striking sports watch that blends in-house Swiss manufacture with bold marine-inspired design.

Case & Bezel The 44mm ultra-lightweight titanium case pairs beautifully with a uni-directional rotating bezel featuring a white ceramic insert in a concave form, accented by 12 rider tabs for each hour position. The slightly domed sapphire crystal adds a commanding three-dimensional presence. Water resistance is rated to 300 meters / 30 ATM, with a screw-lock crown ensuring a secure seal. The solid caseback is engraved with an embossed Great White Shark motif — the detail that gives this edition its name.

Dial The grey/anthracite dial carries a fine sandblasted finish with a brushed raised "X" motif at center. Applied index hour markers and hands are filled with Super-LumiNova for excellent legibility in low light. Subtle blue accents nod to the brand's deep maritime heritage. Laid out in the classic Marine Chronometer tradition: a circular power reserve indicator sits at 12 o'clock, while an oversized small seconds counter with date display occupies 6 o'clock.

Movement Powered by the in-house Calibre UN-118, an automatic movement beating at 28,800 vph (4 Hz) with approximately 60 hours of power reserve. The escapement is crafted using Ulysse Nardin's proprietary DIAMonSIL technology — silicon with a diamond coating — eliminating the need for lubrication while dramatically increasing durability. The movement also features a patented silicon hairspring for enhanced precision and resistance to magnetic fields.

Strap Fitted with the original white rubber strap on a pin buckle, perfectly complementing the light-toned color palette of this edition.

Specifications

Reference: 1183-170LE-3/90-GW
Collection: Diver Chronometer "Great White" Limited Edition
Limited to 300 pieces
Case: 44mm titanium
Movement: Automatic, Calibre UN-118 (in-house)
Power Reserve: ~60 hours
Water Resistance: 300m / 30 ATM
Dial: Grey with sandblasted finish
Strap: White rubber with pin buckle
Functions: Hours, minutes, small seconds, date, power reserve indicator
Glass: Sapphire crystal