Illustration. The seconds hand sweeps, like the real movement.
Nereide Ultraleggero 42
Ref. 3921509
42 mm, gunmetal-treated case, grey skeletonised dial, black rubber strap
36 versions of the Nereide
42 mm, blue aventurine glass dial, navy rubber strap
42 mm, black enamel-coated dial, black ceramic bezel, black rubber strap
42 mm, black enamel-coated dial, black ceramic bezel, Canova bracelet
42 mm, white enamel-coated dial, black ceramic bezel, Canova bracelet
42 mm, Musou Black dial without indices, plain steel bezel, black nylon strap
42 mm, acid-etched and ink-filled case and bezel, black dial, aged black leather strap
42 mm, amethyst dial, purple rubber strap
42 mm, rippled 24k gold-treated dial, Sansovino bracelet
42 mm, bronze case and bezel, grey fumé dial, grey rubber strap
42 mm, lapis lazuli dial, blue rubber strap
42 mm, titanium case and bezel, blue fumé dial, hybrid strap
42 mm, red coral mosaic dial, red rubber strap
42 mm, Damascus steel dial, steel bezel, grey leather strap
42 mm, malachite dial, Sansovino bracelet
42 mm, turquoise dial, light blue integrated rubber strap
42 mm, tiger's eye dial, Sansovino bracelet
42 mm, verdigris patina brass dial, teal rubber strap
42 mm, green sunray dial, green BK7 crystal bezel, Canova bracelet
42 mm, blue sunray dial, blue BK7 crystal bezel, Canova bracelet
42 mm, red sunray dial, matching BK7 crystal bezel, Canova bracelet
42 mm, black sunray dial, black BK7 crystal bezel, Canova bracelet
42 mm, light blue (celeste) sunray dial, matching BK7 crystal bezel, Canova bracelet
39 mm, rippled 24k gold-treated dial, Sansovino bracelet
39 mm, blue aventurine glass dial, blue tropic strap
39 mm, black aventurine glass dial, Canova bracelet, V3250
39 mm, bronze case and bezel, black dial, black tropic strap
39 mm, bronze case and bezel, white dial, white tropic strap
39 mm, black mother-of-pearl dial, Canova bracelet
39 mm, blue mother-of-pearl dial, Canova bracelet
42 mm, black mother-of-pearl dial, polished tungsten bezel, Canova bracelet
42 mm, blue mother-of-pearl dial, polished tungsten bezel, Canova bracelet
42 mm, steel, blue skeletonised dial, blue rubber strap
42 mm, steel, grey skeletonised dial, grey rubber strap
42 mm, steel, grey skeletonised dial, steel bezel with black numerals, Canova bracelet
42 mm, gunmetal-treated case, grey skeletonised dial, black rubber strap
42 mm, gunmetal-treated case and bracelet, grey skeletonised dial, Canova bracelet
- Diameter
- 42 mm
- Thickness
- 13.4 mm
- Water
- 200 m
- Movement
- NH70A
€650
Approximate manufacturer RRP
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Why it's interesting
On black rubber, the gunmetal Ultraleggero becomes the stealthiest watch in the Nereide family, with only the white lume and the open balance at 9 catching the eye. The rubber strap is €35 cheaper than the Canova bracelet.
Watch DNA. Filled tags are editorial; outlined tags come from the specifications.
The numbers
Verified specificationsSize
- Diameter
- 42mm
- Lug to lug
- 49mm
- Thickness
- 13.4mm
- Lug width
- 22mm
Also in the Nereide family
Because you like this…
Chosen for shape, size, colour, character and price. Rarely the same brand twice.
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About this page
Verified specifications, checked September 2026
Dimensions, water resistance, movement and crystal were checked against the sources below.
Specs from the product page: Ø42 mm, 49 mm lug-to-lug, 13.4 mm, NH70A skeletonised, sapphire, steel insert, 200 m, Italian rubber strap. The spec table on this page says plain '316L Stainless Steel', but the packshot shows the same gunmetal finish as 3921509C (whose page says 'Gunmetal treatment'), so it's recorded as coated steel. Year left blank: the Ultraleggero was introduced in March 2022 (Fratello, €685) with references 3921501–504, now archived on Venezianico's site; nothing dates this later reference. Lug width 22 mm from Venezianico's integrated rubber band page ('Suitable for Nereide 42 and Nereide Ultraleggero'). Weight not found. No skeleton dial in the renderer; drawn as a plain grey dial.
The illustration is a bezelga rendering generated from the specifications. It is not a photograph and may simplify details such as logos, text and finishing.
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