STEELDIVE SD1906SvsYema Navygraf CMM.10

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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.

STEELDIVE SD1906S at true scale

SD1906S

Yema Navygraf CMM.10 at true scale

Navygraf CMM.10

Diameter

39mm

39mm

Lug-to-Lug

49mm

46mm

lowest

Thickness

12.5mm

11mm

lowest

Water Resistance

200m

highest

100m

MSRP

$128

lowest

$1,899

Movement

Seiko NH35

Yema CMM.10

Case

5 specs
Thickness
12.5mm
11mm
Lug-to-Lug
49mm
46mm
Lug Width
n/a
19mm
Material
Solid Bronze CuSn8
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
Seiko NH35
Yema CMM.10

Pricing

1 specs
MSRP
$128
$1,899
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Reviews

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

STEELDIVE SD1906S

Owners widely praise the STEELDIVE SD1906S as an exceptional value, with its case finishing noted as surprisingly good for the price, featuring superior linear brushing on the case back. The watch is frequently cited as a favorite everyday wear, with one owner reporting successful dives to 100 meters without issue. Lume is consistently highlighted as excellent, lasting all night. Some owners report issues with bracelet quality, specifically a poorly applied logo, leading them to swap it for a strap, while others have experienced component failures like bezel inserts popping out or bent crown shafts on different models. The glossy dial is noted as making photography challenging. Overall, owners rate the STEELDIVE SD1906S highly for its impressive build quality and lume at its price point.

Yema Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.