NOS SEIKO JUMBO Vintage automatic chronograph watch Ref. 6138-3002 Cal. 6138 + BOX *** NEW OLD STOCK *** Seiko Vintage watches - Watches83
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