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

Fifty Fathoms 70th Anniversary Act 1 Series I

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 I

The Blancpain Fifty Fathoms 70th Anniversary Act 1 Series I is praised for its 42.3mm case size, which owners find closer to the original Fifty Fathoms dimensions and more wearable than larger siblings. Reviewers highlight the automatic caliber 1315 movement with a 120-hour power reserve and silicon balance spring, a sapphire bezel, and a sunburst black dial with applied markers that enhance legibility. Some owners appreciate the minimal dial text and vintage-style hands with cream-colored Super-LumiNova. However, one owner notes the strap changing kit was initially delayed, and a reviewer found the engraved case side name unnecessary. Overall, owners and reviewers rate the Blancpain Fifty Fathoms 70th Anniversary Act 1 Series I highly for its wearable case size and robust movement.

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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