WTS] Seiko SK Supermod! - A modded Seiko SKXX007 with Double Domed Sapphire Crystal, Ceramic Bezel Insert, and Regulated Hacking and Handwinding Automatic NH35 movement on Seiko Jubilee Bracelet, Just $279 Shipped! :
Complete guide to the Seiko SKX
Seiko SKX007 - Long Term Review - Wristwatch Review UK