Thorn Diver T023 V1vsYema Diver

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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.

Diver T023 V1

Diver
Diameter
40mm
39.5mm
Lug-to-Lug
46.6mm
n/a
Thickness
12.3mm
10.9mm
lowest
Water Resistance
200m
200m
MSRP
$189
lowest
$990
Movement
PT5000
Sellita SW200-1
Case
5 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 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.
One owner reported a water ingress issue on their Yema Diver the first time it got wet in a lake, despite rinsing and inspecting the watch and bezel. Another owner noted that this manual wind Yema Diver, while featuring a cool patina, is unlikely to be waterproof or gain value, positioning it as a fun second watch rather than an investment. Overall, owners view the Yema Diver as a fun second watch rather than an investment, with one owner experiencing a water ingress issue.
The Swiss Sellita movement is a notable feature. Reviewers did not reach a consensus on any weaknesses.
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