Kind thanks to Joost from Appelboom Pennen, who lent me this pen.  If you shop at Appelboom, use the discount code in the banner below (‘friend’) for 10% off your purchase – excluding Montblanc.

MEASUREMENTS
Length (capped): 137.4 mm/5.40″
Length (uncapped): 129.1 mm/5.08″
Length (posted): 172.2 mm/6.47″
Diameter (barrel): 11.8 mm/0.46″
Diameter (section): 9.7 – 10.33 mm/0.38 – 0.40″
Weight (all): 37 g
Weight (cap): 13 g
Weight (body): 24 g