Santurce Tutima M2 Seven Seas Titanium BluevsWhitby Watch Co. Ad Mare 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.

Tutima M2 Seven Seas Titanium Blue

Ad Mare Diver
Diameter
44mm
44mm
Lug-to-Lug
n/a
50.8mm
Thickness
13mm
lowest
14mm
Water Resistance
500m
highest
200m
Power Reserve
n/a
38h
MSRP
$2,900
$550
lowest
Movement
330
Sellita SW200-1
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.
The Santurce Tutima M2 Seven Seas Titanium Blue is recognized as a German tool watch with a matte blue dégradé dial offering excellent legibility. Reviewers note its comfortable wearability, with hooded lugs and a 45mm lug-to-lug measurement contributing to its wearability despite the 44mm case size. The mix of vertical brushing and polishing on the titanium case is considered aesthetically pleasing. The bezel action is described as smooth. However, the Tutima Caliber 330 movement has a 38-hour power reserve and is not chronometer-certified, which some reviewers consider a drawback at its price point. The black day/date wheel against luminous indices is flagged as an odd choice. Overall, reviewers find the Santurce Tutima M2 Seven Seas Titanium Blue to be a coherent and unique offering, particularly for its comfortable wearability and functional design at its price.
Owners widely praise the Whitby Watch Co. Ad Mare Dive Watch as a solid dive watch for its price, with multiple users calling it the best deal under $600 and one rating it 8.5 out of 10. Reviewers note its substantial feel, quality construction, and crisp dial with applied indices, powered by a Sellita SW200-1 automatic movement. Some owners find the 44mm case size to be a comfortable daily wear, with one mentioning the sanded texture of the titanium variant keeps it light. Drawbacks noted by one owner include the absence of a date wheel. Overall, owners and reviewers rate the Whitby Watch Co. Ad Mare Dive Watch highly for its value and build quality at its price point.
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