Corum Swiss made Tank style Roman dial Steel case Handmade leather strap Referance 314686 ETA 7001 caliber 17 jewels 21600 A/H 42 hours power reserve 21 mm. Lug 23 cm. Strap 30x34 mm. Case diameter excluding crowm 32x34 mm. Case diameter including crown Secured shipping Dear valued member of the catawiki family, as musoowatch, we are happy to serve our valued customers on such a wonderful platform with our wristwatch, pocket watch and lighter products for about 10 years. All kinds of questions, opinions and suggestions are very valuable for us, please do not hesitate to ask. We wish you pleasant shopping. In case of return or exchange for any reason, it is imperative to comply with the seller's cargo management.