Eterna Big Pilot 40mm
From Chronopedia
A very rare over sized Big Pilot watch dating to 1936. Only 2 known to exist. What makes this watch particularly unusual is it's massive 40 mm diameter case.
An example sold at Christies Auction House in 2010.
Listed as the following:
Eterna. A large and attractive stainless steel military wristwatch with black dial Signed Eterna, movement no. 2'701'281, case no. 2'433'595, manufactured in 1936 Cal. 12-520 nickel-finished lever movement, 15 jewels, black dial, luminous Arabic numerals, luminous hands, engine-turned subsidiary seconds, enlarged inner revolving bezel with luminous Arabic numerals, large circular case, snap on back, case, dial and movement signed 40 mm. diam.