Certina DS Action Diver 40.5mm Powermatic 80vsThorn 40mm PT5000 Automatic Dive Watch T023 V2

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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.

Certina DS Action Diver 40.5mm Powermatic 80 at true scale

DS Action Diver 40.5mm Powermatic 80

Thorn 40mm PT5000 Automatic Dive Watch T023 V2 at true scale

40mm PT5000 Automatic Dive Watch T023 V2

Diameter

40.5mm

40mm

Lug-to-Lug

45.0mm

lowest

46.6mm

Thickness

13.2mm

12.3mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

80h

n/a

MSRP

$1,032

$189

lowest

Movement

POWERMATIC 80.611

PT5000

Case

5 specs
Diameter
40.5mm
40mm
Thickness
13.22mm
12.3mm
Lug-to-Lug
45.01mm
46.6mm
Lug Width
19mm
20mm
Water Resistance
300m
200m

Movement

2 specs
Caliber
POWERMATIC 80.611
PT5000
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,032
$189
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Certina DS Action Diver 40.5mm Powermatic 80

Owners and reviewers widely praise the Certina DS Action Diver 40.5mm Powermatic 80 for its exceptional value, robust build quality, and ISO 6425 certification, with many highlighting its precise Powermatic 80.611 movement and excellent legibility. The watch is frequently lauded for its vibrant sunburst dials, clean design with gilt accents, and the smooth action of its engraved ceramic bezel. Some owners note the 40.5mm case's 14mm thickness as substantial, and a few find the end links do not perfectly align with the case, while others report accuracy between 3-6 seconds per day. Overall, owners and reviewers rate the Certina DS Action Diver 40.5mm Powermatic 80 highly for its impressive quality and value proposition in the dive watch market.

Thorn 40mm PT5000 Automatic Dive Watch T023 V2

Owners widely report the Thorn 40mm PT5000 Automatic Dive Watch T023 V2 offers a slim wearability and vintage sub aesthetic, with one owner calling it a phenomenal homage and underpriced for its smooth PT5000 movement, tophat sapphire, and bezel. However, some owners flag concerns about quality control, with reports of a loose bezel, dial movement when setting time and date, and an inconsistent crown. Accuracy figures vary, with one owner noting 0/+2 seconds per day for the PT5000 movement, while another experienced a power reserve of only 6 hours and 20 minutes. On balance, owners rate the Thorn 40mm PT5000 Automatic Dive Watch T023 V2 highly for its comfortable wearability and vintage design at its price point, despite some reported quality control issues.