Sinn watch - 903 St BE II - Leather strap
- Sold out, Delivery time 13 weeks
- Stainless steel case, polished / satin-finished
- Column wheel chronograph, refined finish
- Hand-applied hybrid ceramic luminescent elements
- Sapphire crystal glass and case back
- Integrated rotating bezel with logarithmic scale and slide rule function
- Waterproof and pressure resistant up to 20 bars
- Resistance to low pressures
- Mechanical movement
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The information on the mechanical movement corresponds to the current production status in Frankfurt am Main. Due to technical changes, it may happen that the items in stock at our specialist dealers show deviations. (additional information)
- LJP L110
- Automatic winding
- 26 rubies
- 28,800 A/h
- Stop function on seconds
- Protection against magnetic fields according to DIN 8309
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The information on the mechanical movement corresponds to the current production status in Frankfurt am Main. Due to technical changes, it may happen that the items in stock at our specialist dealers show deviations. (additional information)
- Box
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- Stainless steel case, polished / satin-finished
- Sapphire crystal, anti-reflective treatment on both sides
- Transparent back, sapphire crystal, anti-reflective treatment on the inside
- Screwed case back
- Screw-down crown
- Meets the technical requirements of DIN 8310 (watertightness)
- Waterproof and pressure resistant up to 20 bars
- Resistance to low pressures
- Functions
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- Hour, minute, small second
- Date display
- Chronograph
- Integrated rotating bezel with logarithmic scale and slide rule function
- Dimensions and weight
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- Case diameter: 41 mm
- Strap width between lugs: 22 mm
- Box height: 14.5 mm
- Weight without bracelet: 84 grams
- Dial and hands
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- Dark blue dial and luminescent ivory coating
- Silver and galvanized counters and internal bezel
- Number “12” and indexes coated with a luminescent coating
- Luminescent hybrid ceramic hour and minute hands
- Guarantee
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- Warranty period 2 years
The 903 series is presented in a completely technically redesigned version. The unmistakable 903 St BE II navigation chronograph is available as a series model with a deep blue dial and has been raised to an exceptional technical level. The highly functional dial design characterizes this navigation chronograph in our range with a tradition that has endured for decades. For example, the rotating bezel with a logarithmic slide rule allows for the measurement of times, distances or fuel consumption. Of particular note is the fact that the manually applied indexes, the number 12 as well as the hour and minute hands are equipped with luminescent elements made of hybrid ceramic. The integration of the luminescent pigments into the corresponding molded hybrid ceramic part results in a high concentration of the luminous substance, creating extreme luminosity and perfect readability in the dark.
The new case design of the 903 St BE II further demonstrates our company's innovative capabilities. The case features a galvanized silver-plated internal rotating bezel that can be adjusted directly by sliding it along the outer diameter of the watch. The impressive 20 bar water resistance demonstrates an engineering feat that has long characterized the Sinn brand.
The Tricompax arrangement of the galvanized silver dials completes the design of the classic navigation chronograph. This model also features a bonded-wheel chronograph movement with a power reserve of at least 60 hours when fully wound. Watch enthusiasts will immediately notice that the applied SINN logo is another refined detail of a sophisticated watch.