This pen was kindly sent to me by Webson Gill – thank you!

Measurements
Length (capped): 151.5 mm/5.96”
Length (uncapped): 134.5 mm/5.30”
Length (posted): 186.4 mm/7.33”
Diameter (section): 8.4 – 10.2 mm/0.33 – 0.40”
Diameter (barrel): 12.8 mm/0.51” (uniform)
Weight (all): 43.5 g
Weight (body): 22.0 g
Weight (cap): 21.5 g