Astor + Banks Sea Ranger M2vsSynchron 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.

Astor + Banks Sea Ranger M2 at true scale

Sea Ranger M2

Synchron Poseidon at true scale

Poseidon

Diameter

40mm

41mm

Lug-to-Lug

45.5mm

45mm

lowest

Thickness

12.5mm

11.9mm

lowest

Water Resistance

300m

300m

Power Reserve

n/a

68h

MSRP

$1,299

n/a

Movement

La Joux-Perret G100

La Joux-Perret G100

Case

4 specs
Diameter
40mm
41mm
Thickness
12.5mm
11.9mm
Lug-to-Lug
45.5mm
45mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

1 specs
Dial Color
Tobacco
Sunshine Yellow

Movement

1 specs
Power Reserve
0h
68h

Pricing

1 specs
MSRP
$1,299
n/a
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Reviews

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

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is noted for its functional and balanced design, excellent legibility, and a 12-hour lumed sapphire bezel. Reviewers highlight its good lume, though one source describes it as good but not great. The watch features a 40mm case and 300m water resistance. One review states it uses a La Joux-Perret G100 movement regulated to ±8 seconds per day, while another mentions a Sellita SW200 automatic movement adjusted by the brand. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling GADA watch, with its design and legibility being key strengths.

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.

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