Extreme Chronograph Automatic Watch AL-730SB4AE6B 2.15cts where maximum resistance to corrosion

where maximum resistance to corrosion is essential

with a subtly gradated dial pattern evoking the changing colors of the night sky

in a gradated gray evoking one of the many changing tones of light reflecting off glacial ice formations

The Perpetua III single watch winder in a luxurious lacquered finish

Based on an iconic Seiko design

Extreme Chronograph Automatic Watch AL-730SB4AE6B 2.15cts where maximum resistance to corrosionThe Alpiner Extreme Chronograph Automatic features the AL 730 caliber, automatic movement with a 62 hour power reserve. Brushed and polished stainless steel 41mm, 3 part case. Anti reflective sapphire crystal, water resistant to 100M, and an engraved see through case back. Silver dial with triangle pattern, applied silver indexes filled with white luminous treatment, silver color hour and minute hands, black outer ring with white chronograph seconds