Blancpain Fifty Fathoms 70th Anniversary Act 1 Series IIIvsGeckota Phalanx

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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.

Blancpain Fifty Fathoms 70th Anniversary Act 1 Series III at true scale

Fifty Fathoms 70th Anniversary Act 1 Series III

Geckota Phalanx at true scale

Phalanx

Diameter

42.3mm

42mm

Thickness

14.3mm

13.9mm

lowest

Water Resistance

300m

300m

Power Reserve

120h

n/a

MSRP

$21,600

$349

lowest

Movement

1315

ETA 2824-2

Case

4 specs
Diameter
42.3mm
42mm
Thickness
14.3mm
13.9mm
Material
Steel
316L Stainless Steel
Finish
Steel
n/a

Crystal & Dial

1 specs
Dial Color
n/a
Green

Movement

2 specs
Caliber
1315
ETA 2824-2
Power Reserve
120h
0h

Pricing

1 specs
MSRP
$21,600
$349
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Reviews

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

Blancpain Fifty Fathoms 70th Anniversary Act 1 Series III

The Blancpain Fifty Fathoms 70th Anniversary Act 1 Series III is praised for its 42.3mm stainless steel case size, considered a great form factor for a dive watch, particularly for thinner wrists. Reviewers note its black sunburst dial with applied markers and vintage-style hands treated with cream-colored Super-LumiNova, as well as minimal dial text that disappears in certain light. It is powered by Blancpain's in-house automatic Calibre 1315, offering a five-day power reserve and anti-magnetic properties, and comes on a black NATO strap made from recycled fishing nets. However, one owner finds the $30,000 price tag on a bronze gold variant not worth it, and another owner notes a delay in receiving the strap changing kit. Overall, owners and reviewers find the Blancpain Fifty Fathoms 70th Anniversary Act 1 Series III a gorgeous and special execution for an anniversary, with its wearability and vintage-inspired design being key strengths.

Geckota Phalanx

Owners widely report good fit and finish on the Geckota Phalanx, with quality straps and nice design details. Some owners debate the value proposition for the ETA 2824-2 movement at the original price, though quality is not a concern. One reviewer found the flat crystal and bezel, mismatched lume pip, and uninspiring lume quality detracted from its appeal. Overall, owners rate the Geckota Phalanx highly for its build quality and value, particularly when found on sale.

From video reviewers

The Phalanx pairs a proven ETA 2824-2 movement with robust military-grade durability, enduring rigorous stress testing and field conditions without compromise. Its matte finish and tactical aesthetic deliver premium perceived quality at a competitive price point for a 300m dive watch with Mil-Spec credentials.

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