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Thin Case Doxa Sub 300 ‘No-T’ Searambler

No-T-Doxa-Sub-300-Searambler-Thin-Case

Although Doxa’s Sub 300 is not nearly as lauded by the market as Blancpain’s Fifty Fathoms or Rolex’s early Subs, it was a serious tool widely circulated in commercial and recreational diving in the late 1960s. Not widely discussed, Doxa’s first-generation of dive offerings are affectionately known as ‘No-T’s. The models had a thinner case than their latter counterparts and have become highly collectible.

No-T-Doxa-Sub-300-Searambler-Thin-Case

Thin cases are distinguished on the dial by the lack of a ‘T’ at the end of Sub 300 and seconds hand. This Searambler is an example from that first 1967 production. It is estimated that there remain fewer than one hundred No-Ts. When contrasted against even the rarest comparable Fifty Fathoms or 6536/8 Subs, that is a seriously low production. The decompression-step bezel and beads-of-rice bracelet remain familiar staples. Though this 300 appears a commonplace vintage diver, for knowledgable dive collectors, it’s a bit of a wolf in sheep’s clothing.

No-T-Doxa-Sub-300-Searambler-Thin-Case

This example is sporting a silver (known as Searambler to Doxa people) dial with the correct 300 signature and no visible corrosion. I do not believe water has ever entered this case, which seems more common than not with examples on the market these days. Its tritium handset is correct with the block-seconds-hand and has cream tones echoed in the dial. The all-important thin case shows wear consistent with being a usable tool watch, but no polishing. It’s all one could hope for. If you’ve been after one of the better thin case 300s, here’s your opportunity.

Find this thin case Sub 300 here from Antiquarius listed as POA.

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