Redux Courg: A-11 US Navy Squadron Special EditionvsYema Diver
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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.

Courg: A-11 US Navy Squadron Special Edition

Diver
Diameter
39mm
39.5mm
Lug-to-Lug
46.6mm
n/a
Thickness
13.7mm
10.9mm
lowest
Water Resistance
150m
200m
highest
Power Reserve
41h
n/a
MSRP
$550
lowest
$990
Movement
Seiko NH35
Sellita SW200-1
Case
5 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Redux COURG: A-11 US Navy Squadron Special Edition for its lightweight titanium construction and comfortable 39mm case size, with curved lugs contributing to good wearability on various wrists. The Seiko NH35 automatic movement is noted for reliable service, and the proprietary RDXB1 lume is a unique feature. However, some owners find the titanium finish looks slightly cheap and express a desire for a bezel insert. Criticisms also include a crown stem that can feel flimsy or misaligned, and a unidirectional bezel that exhibits play or clockwise movement. The dial is considered too busy for easy reading by one owner. Overall, owners find the Redux COURG: A-11 US Navy Squadron Special Edition a well-built, lightweight tool watch for the price, with its comfortable wearability and titanium case being key highlights.
One owner reported a water ingress issue on their Yema Diver the first time it got wet in a lake, despite rinsing and inspecting the watch and bezel. Another owner noted that this manual wind Yema Diver, while featuring a cool patina, is unlikely to be waterproof or gain value, positioning it as a fun second watch rather than an investment. Overall, owners view the Yema Diver as a fun second watch rather than an investment, with one owner experiencing a water ingress issue.
The Swiss Sellita movement is a notable feature. Reviewers did not reach a consensus on any weaknesses.
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