Alan Ritchson wears an antique Services Despatch Rider watch in The Ministry of Ungentlemanly Warfare (2024).
The Services Despatch Rider watch worn by Alan Ritchson has a 24 Hour (Arabic numerals) AND 12 Hour (Roman numerals) dial and a small subdial with seconds indicator.
These watches were made in Germany by Thiel Brothers Thuringia in the 1920s or 1930s.