Spinnaker Spence 300vsYema Navygraf Marine Nationale 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.

Spinnaker Spence 300 at true scale

Spence 300

Yema Navygraf Marine Nationale CMM.10 at true scale

Navygraf Marine Nationale CMM.10

Diameter

40mm

39mm

Lug-to-Lug

48mm

46mm

lowest

Thickness

11.5mm

11mm

lowest

Water Resistance

300m

highest

100m

MSRP

$650

lowest

$1,614

Movement

Seiko NH35

Yema CMM.10

Case

5 specs
Diameter
40mm
39mm
Thickness
11.5mm
11mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
19mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Aquamarine
Blue

Movement

1 specs
Caliber
Seiko NH35
Yema CMM.10

Pricing

1 specs
MSRP
$650
$1,614
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Reviews

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

Spinnaker Spence 300

Owners widely praise the Spinnaker Spence 300 for its slim 10.9mm case and 40mm diameter, offering a comfortable and versatile wear. Reviewers and owners alike highlight its value, with some seeing it as a budget alternative to more expensive dive watches. The watch features a Seiko NH35 automatic movement and 300m water resistance. However, some community members find the dial printing and bracelet finishing to be less refined, and a few suggest other brands offer better value at similar price points. On balance, owners and reviewers rate the Spinnaker Spence 300 highly for its impressive case dimensions and overall value proposition.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.

Yema Navygraf Marine Nationale CMM.10

The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a clean and legible display, and its in-house CMM.10 automatic movement. Reviewers highlight the 70-hour power reserve and a price point under $2,000 as significant strengths. However, the steel bracelet's clasp is consistently noted as rattly and difficult to open, with one review describing it as feeling slightly cheap. The watch features a 39mm case with a blue sapphire bezel insert and a matte navy dial. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and strong value proposition, despite minor criticisms of the bracelet clasp.

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