INTRODUCING: Sinn’s new T50 Diver, with a unique new alloy

The well-specced diving watch comes in titanium as well as the brand’s patent-pending Goldbronze 125.
When it comes to tool watches, those from Sinn are strong cult favourites. With its background in specialist mission timers designed for professional users, one can expect durability with great performance from the brand. In addition, it has created products with specialist materials such as high-strength, seawater-resistant German submarine steel, which adds to its reputation.

The U50 has long been Sinn’s emblem for rugged outdoor use on land and underwater. But last month, it introduced a brand new diving watch: the T50 Diver, with three variations. Two of the models feature a unique material Sinn is debuting called Goldbronze 125.
Goldbronze is exactly what you think: it’s an alloy of gold and bronze. Bronze is an alloy of copper, tin, and occasionally other metals, in this case, gold. The mix is 87.5% bronze and 12.5% gold, hence the name Goldbronze 125.
Bronze is not a new material to watchmaking, but an alloy of gold and bronze does turn our heads. According to Sinn, adding gold improves the biocompatibility of bronze and corrosion resistance, which also means it will tarnish slower. The watch’s caseback is in titanium. Sinn has also provided a gold bronze care cloth to reduce the oxidation of the material.

T50 Goldbronze, T50 GBDR, and T50
The colour of the case looks like a slightly faded gold material, which adds to its rugged good looks. A matte finishing achieved with beadblasting on the entire case further strengthens that identity. Two versions of the T50 feature the new alloy; the full Goldbronze model is already sold out in direct sales but still available from the brand’s sales partners. On the other hand, the titanium-and-Goldbronze variant is non-limited.
The T50 Goldbronze has a grooved bezel like Sinn’s T1 with large indents for precise positioning, designed for easy adjustment even if you’re gloved. Its crown is positioned at 4 o’clock to ensure comfortable wear on the wrist, and its dehumidifying technology ensures the sapphire crystal does not fog up and is resistant to low pressure. In addition, the 41mm watch is waterproof to 500m.

The dial of the T50 Goldbronze has an irregularly finished texture, giving the appearance of distressed or aged metal that reflects light at different angles. It complements the case material superbly and comes with an olive-green textile strap.

The T50 GBDR has a titanium case middle and back with a matte black dial. The watch is also beadblasted for the same rugged tool watch vibe and is paired with a rubber strap or Sinn’s H-link bracelet. The titanium bracelet bears the same finishing as the watch, with softly rounded edges that give it the appearance of long use. It has an easy extension function, so you can lengthen the bracelet without a tool for wearing over a diving suit.

This is Sinn’s first diving watch that uses titanium as a case material. And that brings us to the last variant of the T50, in full titanium with a bracelet or strap. The all-titanium piece is just as striking, with the same matte black dial as the T50 GBDR. The hour indexes and hands on all models are coated with green and blue luminous material, glowing vividly in the dark. All the watches also feature Sinn’s signature captive diver’s bezel – push down to rotate it to prevent accidental operation.
The Sinn T50 Goldbronze is priced at S$9,230 (via The Hour Glass or Watches of Switzerland in Singapore). The T50 GBDR starts from S$6,950, and the T50 from S$5,540. All are available in stores at the moment.
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