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Sinn U1

Sinn U1

Model: 1010.01

The Sinn U1 Men’s Automatic Premium watch. Featuring a 44mm refined case, impressive Black dial, 100 ATM / 1000m water resistance, and outstanding precision, this timepiece showcases the premium design and quality that independent German watchmaker Sinn is renowned for.


Please select your band option below

Add an additional special discounted Sinn standard leather band to your new Sinn watch purchase.Click here to view all Sinn Bands & Clasps

For purchases on a leather, silicone or textile band: if you want a specific style or colour, please specify your band and colour choice below.

NB: All watches are delivered on standard ‘Medium-sized’ bands (suitable for approx.170-200mm wrist sizes). If you require a shorter or longer band please let us know. If you are not sure, simply let us know your wrist circumference and we will make sure you get the correct length.

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Information & Media

Sinn U1


Model: 1010.010

If you are serious about diving then you should already be familiar with the range of specialty diving watches.

The U1 is water proof up to an impressive 1000m. It is packed with features and special Sinn technologies and is a great starter model for sport and professional divers wishing to get into the Sinn range of diving instruments.

Technical Data Model U1
Dial: Black
Case material: U-boat steel
Band: Choose below
Base movement: High Grade Swiss Movement
Movement winding: Automatic
Jewels: 25
Crystal: Sapphire – anti reflective on both sides
Case back: Solid steel, Screw-down crown
Water pressure resistance: 100 bar / 1000 m
Case diameter: 44.0 mm
Watch height: 14.35 mm
Approx. lug to lug: 48mm

Special technology:

  1. Water/pressure resistance tested by Germanische Lloyd, Hamburg
  2. Divers’ turning ring

In conjunction with its instrument chronographs and watches, Sinn is renowned for its sports and diving watches. Sinn diving watches have lead the way in terms of technical advances for timepieces that must withstand rough and demanding conditions. Special features of Sinn water watches include:

  • Gaskets made of highly elastic plastic that remain water tight regardless of pressure
  • Scratch proof sapphire crystal, anti-reflective on both sides to ensure a clear view of the dial at all times
  • Luminous numerals, coated with a special inactive, long-lasting luminous paint
  • Magnetic field protection
  • Adjustable bands (stainless steel, titanium, silicon or shark skin)to allow the watch to be worn over a wet or dry suit.

Sinn sport and diver’s watches surpass standard DIN norms for diving watches. In fact, they fulfil the prerequisites of DIN 8306 in which strict safety standards for diver’s watches are precisely and extensively established. Anyone serious about diving or extreme watersports should have the reliability and performance of a Sinn sport or diver’s watch by their side.

Water resistant to an amazing 1000m with a case made of u-boat(submarine) steel, a tegimented steel hardening on the case, a non-losable turning bezel and non-reflective sapphire crystal. The version shown is set off with a black silicone diver’s band that adjusts to fit over a wet or dry suit if required. The best thing is, you know you can depend on it!

Please use the link below to configure your watch including

  • band options
  • clasps
  • special features

NB: This feature is not linked to the web shop – it will just provide additional technical information and visualisation of the available options! For ordering one or more of the available options with your watch, please use the checkboxes below or leave us a comment accompanying your order!

Band options and watch details

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