Resco UDT Diver - DLC TitaniumvsDOXA SUB 300
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

UDT Diver - DLC Titanium

SUB 300
Diameter
42mm
42.5mm
Lug-to-Lug
49.7mm
n/a
Thickness
13mm
n/a
Water Resistance
300m
300m
Power Reserve
n/a
38h
MSRP
$2,155
lowest
$2,890
Movement
Sellita SW200-1
Automatic
Case
5 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate the Resco UDT Diver - DLC Titanium's strong, customizable cases and unique dial with 0.2-second indices and a trident second hand. One owner notes the DLC coating on titanium may show surface scratches, similar to bare titanium, though the reason is unclear. This owner also finds the watch not great value for money, despite appreciating the veteran-owned company and the UDT's versatility on different straps. On balance, owners value the UDT Diver - DLC Titanium for its robust build and distinctive dial design, despite some reservations about its price-to-movement ratio.
The DOXA SUB 300 is widely praised for its wearability, vibrant color options, and modern updates like improved lume, with reviewers calling it the brand's most desirable model. Owners note its comfortable wear, clean cushion case, and legible dials, though some find the 42.5mm case a bit large. The bezel action is outstanding, and the beads-of-rice bracelet contributes to a smaller perceived size. However, some owners report issues with bracelet end links sticking out, a sharp clasp edge, sub-standard screw pins, and disappointing lume. The polished bezel surface is also noted as prone to scratches, and the clasp's top section and clip are described as feeling "tinnyness" and too sixties. On balance, owners and reviewers rate the DOXA SUB 300 highly for its compelling charm and modern updates, despite some noted bracelet and clasp refinements.
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