Promaster Altichron Style:Altichron subtly differentiating itself from the

subtly differentiating itself from the brushed stainless steel case

and Antarctic

inside is the hand-wound mechanical J815

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beautifully machined scales

Promaster Altichron Style:Altichron subtly differentiating itself from theShips within one to two (1 2) weeks after purchase. Citizen is no stranger to making watches that can go the distance. In this case, its height that matters. The Altichron is a multi functional watch that slots within the Promaster lineup as the pilots choice. The Aqualand and Skyhawk are two other intense tool watches that share its hardcore DNA, but no other watch in the Promaster collection flies as high. The Altichron exists to focus on navigation