![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-00-1x1_{width}x.jpg?v=1682452312)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-01-1x1_{width}x.jpg?v=1682452312)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-02-1x1_{width}x.jpg?v=1682452312)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-05-1x1_{width}x.jpg?v=1682452313)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-06-1x1_{width}x.jpg?v=1682452313)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-navy-07-1x1_1b1ae6e0-21a6-4d87-96fd-ae304e66ec50_{width}x.jpg?v=1682452313)
![Blackhawk Automatic Calendar Steel](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-04-1x1_{width}x.jpg?v=1682452313)
The Blackhawk Automatic gives a nod to vintage aviator watches and features our big date and calendar complication. The open-heart dial allows you to see the balance wheel in motion as you wear it. Our watch cases are made from 316L stainless steel with a scratch-resistant crystal and a stainless steel bracelet, and the strap changes are simple and easy with our quick release springbar system.
Movement: PTS LB19 Multifunction, 20 Jewels, 21600 BPH, Up to 36 Hour Power Reserve. Made in China. Accuracy: -20/+40 sec per day
Functions: Hours, Minutes, Central Seconds, Date, Day, Month
Case: Hand-finished 316L Stainless Steel
Crystal: Hardened Mineral
Dimensions: 42mm Wide. 10.8mm ThickLug to Lug: 46mm
Water Resistance: 5 ATM
Strap: 20mm Solid Stainless Steel Bracelet w/ Tool-free, Quick-release Springbar System
Wrist Circumference: 5.75-8” (140mm/210mm)
Weight: 5.60 oz (159 grams)
![](http://www.archetypewatches.com/cdn/shop/files/archetype-blackhawk-automatic-steel-02-1x1_large.jpg?v=1682452312)