Laco ProLabvsThorn Diver T023 V1

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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.

ProLab

Diver T023 V1
Diameter
40mm
40mm
Lug-to-Lug
n/a
46.6mm
Thickness
11.3mm
lowest
12.3mm
Water Resistance
200m
200m
MSRP
$2,990
$189
lowest
Movement
Sellita SW200-1
PT5000
Case
3 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Laco ProLab's coherent tool-first design and wearable 40mm execution, with one owner specifically noting the Type B dial's legibility and lume. The modern Pro series case is also commended for effectively updating Laco's heritage. Accuracy figures vary, with one owner reporting consistent +2.5s/day and a reviewer stating the Sellita SW200-1 is adjusted to within -5/+7 seconds per day. Some owners find the value proposition strong, though a few suggest comparable or better deals exist from microbrands. One owner expressed a preference for white lume over the sand-colored old radium lume. Overall, owners and reviewers rate the Laco ProLab highly for its blend of modern case design and legible, tool-focused dial execution.
Owners widely praise the Thorn 40mm PT5000 Automatic Dive Watch T023 V1 for its value and vintage aesthetic, with many appreciating its wearability and proportions, which contribute to a slimmer profile than many similar watches. The PT5000 movement is specifically lauded for its smooth second-hand sweep and impressive accuracy, with one owner reporting within 0/+2 seconds per day. The bracelet is noted as a point of contention, with one owner finding it of lesser quality compared to other Thorn retro diver models. Overall, owners rate the Thorn 40mm PT5000 Automatic Dive Watch T023 V1 highly for its vintage charm and smooth-running movement at an accessible price point.
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