Tuseno BlackwatervsYema Navygraf Heritage
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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.

Blackwater

Navygraf Heritage
Diameter
40.5mm
39mm
Lug-to-Lug
50mm
46mm
lowest
Thickness
n/a
10.8mm
Water Resistance
200m
highest
100m
MSRP
$999
$990
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Tuseno Blackwater is praised by owners and reviewers for its attractive, non-ordinary diver styling and versatile design. Enthusiastic owners state it "slaps hard," and reviewers highlight its value proposition at its price point, durability, and compelling wrist presence. The integrated bracelet is a standout feature, offering fluidity. The Tuseno Blackwater features a Sellita SW200-1 automatic movement, 200m water resistance, and a 40.5mm case. Some reviewers note a 38-hour power reserve as a bit lacking, while others find the bezel action solid but potentially stiff. On balance, owners and reviewers rate the Tuseno Blackwater highly for its unique styling and value at the price.
Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful reissue of a 1970s model, with craftsmanship often noted as better than expected. Some owners highlight its retro look, yellow hands for legibility, and unique case design. However, multiple owners report quality control issues, including bezel free play, misalignment, and crown seating problems. Accuracy figures vary, with one owner noting it runs at +10 to +15 seconds per day, while another regulated theirs after losing 30 seconds per day, though another owner states theirs is accurate. The bezel is described as super tight to turn by one owner, despite having precise 120 clicks. Overall, owners find the Yema Navygraf Heritage a good-looking and quirky watch with notable value for its design and build.
The 39mm case size and comfortable wearability are consistently praised. The in-house MBP1000 movement is mentioned as a strength by multiple reviewers. Reviewers disagree on the movement's quality, with one suggesting it should not have passed quality control while others highlight it as a positive feature.
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