Proper patina, genuine military Junghans Cal. J98 in uncommon big case with transparent back. Dimensions: 37mm, crown excluded; 43mm with lugs. It works very well despite service record unknown. Supplied and installed with NOS matching style and era, genuine leather strap. 

Remark: Caseback also stabilizes the movement in place. Any adjustments or service should be done by advanced user or expert. 

Shipping Worldwide: Priority, Tracking. EU 5-10 days, Rest 3-4 weeks.