Seiko SUPER RARE SEIKO 6138-3002 AKA Jumbo AUTOMATIC CHRONOGRA... for $745 for sale from a Private Seller on Chrono24
Sold Price: VINTAGE ARMBANDUHR: SEIKO CHRONOGRAPH - JUMBO - February 3, 0121 11:00 AM CET
Thomas' Timepieces - Seiko 6138-3000 and 6138-3002, both models often referred to as the Seiko Jumbo. The Seiko 6138 was arguably the world's first automatic chronograph (Zenith/Movado El Primo also claimed to