Addiesdive Tuna 300M Automatic Dive Watch AD2509vsInvicta Pro Diver 44045
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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.

Tuna 300M Automatic Dive Watch AD2509

Pro Diver 44045
Diameter
41mm
42mm
Lug-to-Lug
44.5mm
n/a
Thickness
15mm
n/a
Water Resistance
300m
highest
200m
MSRP
$139
n/a
Movement
Seiko NH35
Seiko NH35
Case
4 specsCrystal & Dial
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Addiesdive Tuna 300M Automatic Dive Watch AD2509 for its excellent value, with many finding the case finishing comparable to higher-priced brands and appreciating the sapphire crystal and strong lume. The Seiko NH35 movement is generally considered reliable and keeps good time, with some owners reporting accuracy within +1/+2 seconds per day, while others note figures around -6 seconds per day. The watch is seen as a competent homage, featuring a ceramic bezel insert and solid link bracelet. One owner noted the 39mm case size as easy to wear on a 7-inch wrist. However, some owners express skepticism regarding the actual water resistance beyond casual use, despite the 300m rating, and question the warranty's reliability. The bracelet is frequently described as significantly worse than that found on comparable brands, though still visually appealing. Quality control variance is a concern for some, with instances of misaligned bezel inserts reported.
Owners widely consider the Invicta Pro Diver 44045 a decent value for its price, though some enthusiasts suggest it's only a good deal when purchased new for under $100. Reviewers and owners note the mineral crystal is prone to scratches and the lume is lacking. One owner reported a similar Invicta falling apart in just over two years, and the bracelet is considered subpar by some. On balance, owners find the Invicta Pro Diver 44045 offers decent value, with the primary drawbacks being its mineral crystal and bracelet quality.
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