Seiko Made in Japan Aquatimer Automatic Chronograph Blue color dial Steel case Steel bracelet (after market product) 18 mm. Lug 20 cm. Bracelet Referance 471016 Model no 6139-8030 Inhouse 6139 caliber 17 jewels 21600 A/H 40 hours power reserve 30 minutes chronostop Secured shipping 40 mm. Case diameter excluding crown 42 mm. Case diameter including crown Dear member of the Catawiki family, we have been happy to serve our valued customers on such a beautiful 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 obligatory to comply with the cargo management of the seller. Please note that shipping is done by specifying the exact sales price of the watch, so the buyer is responsible for any customs tax that may arise. We officially ship over the auction amount. Absolutely do not request low price or gift shipments, they are not accepted. Please note the customs duty you may pay accordingly.