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  • 344 Ti Aut

    The ladies' sports watch.

    344 Ti Aut
  • 344 Ti Aut
  • 344 Ti Aut
  • 344 Ti Aut


Warranty period leer years

Warranty Statement
Product number: 344.030 PDF

344 Ti Aut

This model is no longer available in our current range.
344 Ti Aut

Our model 344 is a ladies' watch with a very special character. On the one hand, it's as functional and technologically sophisticated as you would rightly expect of a Sinn timepiece. And on the other hand, it has a formal elegance that simultaneously signals the restraint and esthetic taste of the wearer. A performance distinguished primarily by the slim case in lightweight yet solid titanium. The dial: punctiform, intensely luminous 12-hour indices as well as the hour and minute hands are coated with long-lasting special luminous paint. The red second hand with a matte black center provides an effective contrast and is clearly readable – during everyday use, sports activities and any other situation.  We didn't practice any restraint whatsoever with regard to the technical features of the 344: its core is formed by an ETA 2678 movement with 25 ruby bearing jewels and 28,800 alternations per hour. It is equipped with a screw-fastened case back, screwable crown and a sapphire crystal glass with anti-reflective coating on both sides.  You'll find the most important information about the watch engraved in the case back – it is shock-resistant, water-resistant and pressure-resistant to 10 bar (100 m). Titanium offers outstanding comfort and wearability. It is completely anti-allergenic, adapts better to the wearer's arm  temperature, is fully anti-magnetic and significantly lighter than stainless steel.

Special characteristics
  • Case made of titanium, bead-blasted
  • Sapphire crystal glass
  • Pressure-resistant to 10 bar
  • Low pressure resistant

Technical details

ETA 2678
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Shock resistant as per DIN ISO 1413
Anti-magnetic as per DIN 8309

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.

Case made of titanium, bead-blasted
Sapphire crystal glass in front, anti-reflective on both sides
Transparent case back made of sapphire crystal glass, anti-reflective on the interior
Case back screw-fastened
Crown screwable
Meet the technical requirements for waterproofness, as set out in standard DIN 8310
Pressure-resistant up to 10 bar
Low pressure resistant

Hours, minutes, seconds
Date display

Dimensions and Weight
Case diameter: 25 mm
Band lug width: 12 mm
Case thickness: 9.5 mm
Weight without strap: 17 gramme

Dial and Hands
Matte black dial
Indices coated with luminescent colour
Hour and minute hand coated with luminescent colour

344 Ti Aut configure

Watch strap
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Warranty statement

In addition to the statutory warranty, we – Sinn Spezialuhren GmbH, Wilhelm-Fay-Strasse 21, 65936 Frankfurt am Main – provide a manufacturer’s warranty against material and manufacturing defects for the watch 344 Ti Aut.

The warranty period is leer years.

The warranty period is calculated from the invoice date.

Our warranty is applicable worldwide.

If you wish to make a warranty claim, we will repair the watch for you at no additional cost.

Warranty claims are excluded in the event of damage caused by:

  • Improper use
  • Repairs or attempted repairs which were not carried out by us or our authorised partners. A list of authorised partners can be found in the Sales and Service Partners menu on our website
  • Signs of wear and tear, especially to straps
  • The use of force (blows, knocks, impact)

Please inform us – Sinn Spezialuhren GmbH by phone +49 (0) 69/97 84 14-400 or email – as soon as you are aware of the potential warranty claim to avoid further damage. In order to approve the warranty, we will need the watch and proof of purchase (invoice) with a detailed description of the damage.

In the event of a warranty claim, we bear the costs of sending and returning the watch as well as the transport risk, provided that the transport is carried out by the transport company specified by us and the watch has been securely packaged. Please contact us by phone +49 (0) 69/97 84 14-400 or email Otherwise, as the customer, you will bear the costs of the shipment and the transport risk.

Any costs incurred for customs duties, import duties and other fees incurred when the watch is returned to the recipient country must be borne by the recipient.

We provide this warranty in addition to your existing statutory rights for defects. These rights are not restricted by the warranty and they can be exercised free of charge.

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