Seiko Prospex Deep Lake Alpinist Blue SPB249J1 Size:36 40 mm making it suitable for both making it suitable for both outdoor escapades and urban environments with only 17 2 mm Case Shape : Round Dial Colour : Blue Water Resistance : 20 bar Clasp : Three fold clasp with push button release Glass Type : Curved sapphire crystal Functions : Date display Stop second hand function Band Material : Metal Band Colour : Silver Other Specifications : 24 jewels Screw case back See through case back Lumibrite on hands and index(es) Edition : Deep Lake Product Features: Gender : Men Movement : Mechanical Movement Type : Automatic with manual winding Calibre : 6R35 Accuracy : 15 +25 seconds per day Duration : Approx