Addiesdive Tuna 300M Diver Tuna Diver 3ColorsvsTissot Seastar 2000 Professional 44mm

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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 Diver Tuna Diver 3Colors

Seastar 2000 Professional 44mm
Diameter
47.5mm
44mm
Lug-to-Lug
44.7mm
n/a
Thickness
15mm
lowest
15.3mm
Water Resistance
300m
600m
highest
Power Reserve
n/a
80h
MSRP
$149
lowest
$931
Movement
Seiko NH35
Automatic
Case
5 specsCrystal & Dial
1 specsMovement
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 Diver Watch Tuna Diver 3Colors for its exceptional value, comfortable wear, and premium feel, with many highlighting its solid build quality and dependable Seiko NH35 automatic movement. Specific points of appreciation include a centered bezel, solid crown engagement, and good lume. However, some owners express skepticism regarding the actual 300m water resistance, with one reporting a leak after two weeks of wear. Concerns were also raised about the stamped clasp and the warranty service requiring international shipping. Overall, owners rate the Addiesdive Tuna 300M Automatic Diver Watch Tuna Diver 3Colors highly for its robust build and comfortable wear at an attractive price point.
The Tissot Seastar 2000 Professional 44mm is widely praised for its exceptional value, offering impressive specifications like 600m water resistance and an 80-hour power reserve from its automatic movement. Owners and reviewers highlight its attractive dial, often featuring a fading blue color with etched waves and a color-matched date window, along with Tissot's generally appealing designs and good build quality. The engraved ceramic bezel numbers are noted as a significant improvement. However, the 44mm case size is a point of contention, with some finding it substantial and feeling larger due to its lug-to-lug measurement, while others appreciate its short lugs which make it wear less bulky. One owner reported a bezel click action failure after 14 days. Overall, owners and reviewers rate the Tissot Seastar 2000 Professional 44mm highly for its robust build and technology at an exceptional price point.
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