![Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches](https://preview.redd.it/seiko-6138-0010-one-of-the-worlds-earliest-automatic-v0-vx3452u5w5qb1.jpg?width=640&crop=smart&auto=webp&s=47e831994200be51d484f454d272e16960518620)
Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches
![SEIKO UFO Vintage Chronograph automatic watch Cal 6138B JAPAN J 6138-0011 *** ALL ORIGINAL *** Seiko Vintage watches - Watches83 SEIKO UFO Vintage Chronograph automatic watch Cal 6138B JAPAN J 6138-0011 *** ALL ORIGINAL *** Seiko Vintage watches - Watches83](https://watches83.com/34826-thickbox_default/seiko-ufo-vintage-chronograph-automatic-watch-cal-6138b-japan-j-6138-0011-all-original-.jpg)
SEIKO UFO Vintage Chronograph automatic watch Cal 6138B JAPAN J 6138-0011 *** ALL ORIGINAL *** Seiko Vintage watches - Watches83
![1970 Seiko SpeedTimer 6138-0010 Yachtman "UFO" Proof Chronograph w/Orig Bracelet | DC Vintage Watches 1970 Seiko SpeedTimer 6138-0010 Yachtman "UFO" Proof Chronograph w/Orig Bracelet | DC Vintage Watches](https://static.wixstatic.com/media/988ce1_55ee51f0de2e43df87f4cbf5879b7a0b~mv2.jpg/v1/fill/w_480,h_614,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/988ce1_55ee51f0de2e43df87f4cbf5879b7a0b~mv2.jpg)
1970 Seiko SpeedTimer 6138-0010 Yachtman "UFO" Proof Chronograph w/Orig Bracelet | DC Vintage Watches
![Seiko UFO 6138-0011 Speed-Timer Chronograph Automatic Men's Watch de vânzare pentru 3.298 lei de la un Seller de pe Chrono24 Seiko UFO 6138-0011 Speed-Timer Chronograph Automatic Men's Watch de vânzare pentru 3.298 lei de la un Seller de pe Chrono24](https://cdn2.chrono24.com/images/uhren/31755368-tww74fmq271mfi00vf84f2w1-ExtraLarge.jpg)