This fountain pen, based on the famous espresso maker from the 1930s, was kindly sent to me by Luxury Brands.

Measurements
Length (capped): 123.0 mm/4.84″
Length (uncapped): 101.5 mm/3.99″
Length (posted): 149.4 mm/5.88”
Diameter (section): 6.2 – 6.8 mm/0.24″ – 0.26″
Diameter (barrel): 9.6 – 13.1 mm/0.37″ – 0.51″
Weight (all): 27 g
Weight (cap): 10 g
Weight (body): 17 g