San Martin BB58vsYema Navygraf Pearl CMM.20

BB58
San MartinBB58

Ref. eu-warehouse-san-martin-40mm-bb58-automatic-watcth-sn0128·MSRP $288

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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.

San Martin BB58 at true scale

BB58

Yema Navygraf Pearl CMM.20 at true scale

Navygraf Pearl CMM.20

Diameter

40mm

39mm

Lug-to-Lug

n/a

46mm

Thickness

n/a

9.8mm

Water Resistance

200m

highest

100m

MSRP

$288

lowest

$1,862

Movement

Seiko NH35

Yema CMM.20

Case

6 specs
Diameter
40mm
39mm
Thickness
n/a
9.75mm
Lug-to-Lug
n/a
46mm
Lug Width
n/a
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
n/a
Pearl

Movement

1 specs
Caliber
Seiko NH35
Yema CMM.20

Pricing

1 specs
MSRP
$288
$1,862
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

San Martin BB58

Owners widely praise the San Martin BB58 as a high-quality BB58 homage that feels premium for the money; one calls it "basically as close as you can get without paying Tudor prices" and another describes it as fantastic quality for the price. Specific highlights include its gorgeous yet masculine look and the on-the-fly adjustable clasp, which one owner says they have not seen matched on any $1k watch. One owner's own San Martin runs within about 6 seconds per day and has never missed a beat. The main criticism is that one owner would like the riveted links and logo changed, and a forum member notes that some advise avoiding these watches without explaining why. Overall, owners rate the San Martin BB58 very highly for its value and finishing, with the clasp and styling cited as the standout reasons.

Yema Navygraf Pearl CMM.20

The Yema Navygraf Pearl CMM.20 is lauded for its elegant 39mm case, measuring a slim 9.5mm to 9.75mm, and its distinctive mother-of-pearl dial and bezel. The in-house CMM.20 automatic micro-rotor movement provides a 70-hour power reserve. Reviewers note 200-meter water resistance. Overall, reviewers praise the Yema Navygraf Pearl CMM.20 for its sophisticated aesthetic and slim profile at the price point.