Stowa ProdivervsSynchron Poseidon

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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.

Stowa Prodiver at true scale

Prodiver

Synchron Poseidon at true scale

Poseidon

Diameter

42mm

41mm

Lug-to-Lug

50.3mm

45mm

lowest

Thickness

15.6mm

11.9mm

lowest

Water Resistance

1000m

highest

300m

Power Reserve

n/a

68h

Movement

Sellita SW200-1

La Joux-Perret G100

Case

6 specs
Diameter
42mm
41mm
Thickness
15.6mm
11.9mm
Lug-to-Lug
50.3mm
45mm
Lug Width
22mm
20mm
Material
aluminium
Titanium
Water Resistance
1000m
300m

Crystal & Dial

1 specs
Dial Color
n/a
Sunshine Yellow

Movement

2 specs
Caliber
Sellita SW200-1
La Joux-Perret G100
Power Reserve
0h
68h
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Reviews

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

Stowa Prodiver

Owners widely praise the Stowa Prodiver for its unique, sharp-angled case design and robust build, considering it to outperform many divers at its price point. Some owners note a lack of a bracelet option. The consensus is that the Stowa Prodiver is highly regarded for its distinctive design and value, despite some concerns regarding recent customer service experiences.

Synchron Poseidon

Owners widely praise the Synchron Poseidon for its vintage-inspired diver aesthetics, easy-to-read dial, and precise, grippy bezel. The La Joux-Perret G100 movement is consistently noted as a strong point, with owners reporting good timekeeping, one seeing accuracy around -4 seconds per day, and others highlighting its 68-hour power reserve. The winding action and crown operation are described as reassuring, with one reviewer stating it surpasses watches at double the price. Some find the design busy or the branding confusing, and the blasted finish on the steel bezel rim contrasts with the brushed case. One owner noted the included Isofrane strap can be long for smaller wrists. On balance, owners and reviewers rate the Synchron Poseidon highly for its robust build, reliable movement, and excellent value.