It runs with no issues and is on the original strap. This is a hard-to-find configuration for this watch!
The case measures an actual 37.88mm. Please reach out with questions! The item "Montblanc 7014 Meisterstuck Sport Full Calendar, Dual Time, Gold (Plated)" is in sale since Wednesday, June 30, 2021. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "pscheoverwrite" and is located in Rockville, Maryland.
This item can be shipped worldwide.