Seiko 6139-600x–part ii – elusive silver PROOF/PROOF
Following on from the previous tale of the 6139 as produced by Seiko in 1969, here’s a rare and interesting piece, or rather a brace of them. According to the…
When watch collecting turns to enabling others' obsessions
Following on from the previous tale of the 6139 as produced by Seiko in 1969, here’s a rare and interesting piece, or rather a brace of them. According to the…