- Case made of stainless steel, polished
- Sapphire crystal glass
- Transparent back made of sapphire crystal glass
- Pressure-resistant to 20 bar (= 200 m water depth)
- Low pressure resistant
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Which watches aren't designated as 'classics' these days? This valued label is applied to many timepieces. Yet very few really set standards of style in functional design and first-class technology. If this term were ever applicable to a watch, then most certainly to the Sinn model 103 A Sa. The chronograph features the Valjoux 7750 mechanical movement with automatic winding. The polished stainless steel case perfectly matches the classic style of the watch.
