Sinn Spezialuhren – Diving Watches T50 GBDR Titanium 500 M 2023
The diving watch with Captive Safety Bezel made of Goldbronze.
Case made of high-strength titanium,
bead-blasted
Bezel made of Goldbronze 125, bead-blasted
Tested based on European diving equipment standards and certified by DNV
Waterproof and pressure-resistant to 50 bar
(= 500 m water depth), certified by DNV
Captive Diver´s Bezel with guard to prevent accidental misadjustment
Colour-differentiated luminous paint for minute hand, second hand and key mark on the bezel for clear reading of set time
Crown at 4 o’clock to prevent pressure on the back of the hand
Ar‑Dehumidifying Technology enhances functional reliability and freedom from fogging
Sapphire crystal glass
Low pressure resistant
Click, to see the large size. ▶ BIG FOTO 
Click, to see the large size. ▶ BIG FOTO
For the diver’s bezel of this interesting timepiece, we are using a bronze alloy we developed, which has a patent pending. This alloy, referred to as Goldbronze 125, has an exceptionally high degree of purity, and one eighth of it is gold. With bronze, we are embracing a material that has been used frequently in a wide range of maritime applications in the past. However, the exceptionally high degree of purity of our Goldbronze 125 results in improved skin compatibility and increased corrosion resistance to seawater compared to conventional bronze alloys. Material-technically matching this, the case of the T50 GBDR is made of high-strength titanium. As this metal does not cause allergies, the watch provides exceptionally high wearing comfort overall. Although the surface of Goldbronze 125 darkens due to oxidation, developing a patina, we achieve inertia against environmental influences with the gold alloy component. The surface darkens much more slowly than with ordinary bronze. The darkening can also be easily removed using the special gold bronze care cloth we provide.
Click, to see the large size. ▶ BIG FOTO
A concept tailored for operational safety ensures that nothing goes wrong when diving. This can be seen, for example, in the robust diver’s bezel. It is an extremely reliable tool for timekeeping, as it is captively attached to the case. It is also protected against accidental twisting. “Press first, then turn”: this is the memorable principle behind the simple yet effective anti-twist mechanism. When things get tough, Ar‑Dehumidifying Technology ensures greater functional reliability and freedom from fogging.
Click, to see the large size. ▶ BIG FOTO
The captive safety diver’s bezel made of Goldbronze 125 harmonises perfectly with the matte black dial – an interplay that skilfully contrasts with the more objective-technical appearance of the bead-blasted, high-strength titanium case. All this does not come at the expense of clear readability and measurability – because the display has been reduced to the bare essentials. Important design features of this concept are strikingly large sword hands and the visual understatement of all functions and printing on the dial and safety bezel that are not relevant to the actual dive.
Click, to see the large size. ▶ BIG FOTO
The timepiece also uses colour-coding to ensure reliable reading of reference times, especially in the dark or under adverse visibility conditions. The hour hands and indices on the dial glow green, while the minute and second hands and the main marking on the rotating bezel are bluish. As the crown is located at 4 o’clock, it prevents pressure on the back of the hand, even during physically demanding activities.
With its diameter of 41 mm, the T50 GBDR model cuts a wearable figure in any situation - especially on narrow wrists.
The information on the mechanical movement corresponds to the current production situation in Frankfurt am Main. Due to technical changes, it may happen in individual cases that stock items of our sales partners deviate from this information. (further Information)
Movement
Calibre SW 300-1
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309
Case
Case made of high-strength titanium, bead-blasted
ø 41 mm (scale: 1:1)
Bezel made of Goldbronze 125, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Waterproof and pressure-resistant to 500 m diving depth (= 50 bar), certified by DNV
According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV GL
Low pressure resistant
SINN Technologies
TEGIMENT Technology, therefore especially scratch‑resistant
Captive diver's bezel
Functions
• Hours, minutes, seconds
• Date display
• Diver's bezel with minute ratcheting and luminous key mark
• Colour-differentiated luminous paint for minute hand, second hand and key mark on the rotating bezel for clear reading of set time
SINN Technologies
Captive safety bezel
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Dimensions and Weight
Case diameter: 41 mm
Band lug width: 20 mm
Case thickness: 12.3 mm
Weight without strap: 58 gramme
Dial and Hands
Matte black dial
Indices coated with luminescent colour
Hour, minute and second hand coated with luminescent colour
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Technical details
The Diving Watches
Click, to see the large size. ▶ BIG FOTO 
Art-Nr. 1052.020
The information on the mechanical movement corresponds to the current production situation in Frankfurt am Main. Due to technical changes, it may happen in individual cases that stock items of our sales partners deviate from this information. (further Information)
Movement
Calibre SW 300-1
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309
Case
Case made of high-strength titanium, bead-blasted
ø 41 mm (scale: 1:1)
Bezel made of Goldbronze 125, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Waterproof and pressure-resistant to 500 m diving depth (= 50 bar), certified by DNV
According to the technical demands for the diving norm DIN 8306
Tested based on European diving equipment standards EN 250 / EN14143 and certified by DNV GL
Low pressure resistant
SINN Technologies
TEGIMENT Technology, therefore especially scratch‑resistant
Captive diver's bezel
Functions
• Hours, minutes, seconds
• Date display
• Diver's bezel with minute ratcheting and luminous key mark
• Colour-differentiated luminous paint for minute hand, second hand and key mark on the rotating bezel for clear reading of set time
SINN Technologies
Captive safety bezel
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Dimensions and Weight
Case diameter: 41 mm
Band lug width: 20 mm
Case thickness: 12.3 mm
Weight without strap: 58 gramme
Dial and Hands
Matte black dial
Indices coated with luminescent colour
Hour, minute and second hand coated with luminescent colour
Warranty • 3 years
🔴 Price :
- Leather strap 3750.00 €
- Solid bracelet 4100.00 €
- Silicone strap 4140.00 €
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Press Release - 2023
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SINN SPEZIALUHREN GMBH
Im Füldchen 5–7 • 60489 Frankfurt am Main
• Tel. +49 (0)69 / 97 84 14-0
• Fax +49 (0)69 / 97 84 14-201
• info@sinn.de
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