Here's my Seiko 6139-6012 "Bruce Lee", it's all original with the gorgeous original strap and it's completely unrestored in the much rarer yellow. : r/PrideAndPinion
Seiko 6139-8040 JDM Speed Timer 1976 Full - Etsy
Seiko Chronograph Automatic 6139-7002 Vintage Rare Circa 1975 – Temple of Time
SOLD IN ITALY ) SEIKO 6139 - 7000 automatic chronograph - oversized steel case - from 70s - La Casa dell'Orologio
President Bracelet (Seiko 6139-600x) – Uncle Straps
Seiko - Chronograph automaticoversize - 6139-8002 - Men - 1960-1969 in Italy
Seiko Speed Timer Pogue 6139-6002 Mens Watch, Pepsi Bezel, Yellow Dial, C1970s For Sale at 1stDibs | seiko 6139 pogue, seiko pogue, seiko 6139-6002
SOLD IN ITALY ) SEIKO 6139 - 7000 automatic chronograph - oversized steel case - from 70s - La Casa dell'Orologio
Tribute to the Seiko 6139-8020 Chronograph Automatic Watch | Strapcode
Seiko 6139-8040 Speed-Timer Green Chronograph Automatic Cal... for $550 for sale from a Trusted Seller on Chrono24
Seiko 6139-8020 Automatic Chronograph Rare 1974 Model Vintage - Etsy