Side by side

Spinnaker Dumas GMTvsYema Navygraf Marine Nationale CMM.10

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Navygraf Marine Nationale CMM.10
YemaNavygraf Marine Nationale CMM.10
MSRP $1,614

At a glance

10 of 29 specs differ
Diameter
Dumas GMT44mm
Navygraf Marine Nationale CMM.1039mm
Power Reserve
Dumas GMT40h
Navygraf Marine Nationale CMM.1040h
Water Resistance
Dumas GMT300m
Navygraf Marine Nationale CMM.10100m
MSRP
Dumas GMT$399
Navygraf Marine Nationale CMM.10$1,614

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
44mm
39mm
Thickness
15mm
11mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
19mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Black

Movement

1 specs
Caliber
Seiko NH34A
Yema CMM.10

Pricing

1 specs
MSRP
$399
$1,614

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What people say

Owners + reviewers, side by side

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

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Yema Navygraf Marine Nationale CMM.10

The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a slimmer 39mm case at 11mm thick, and its in-house CMM.10 caliber offering a 70-hour power reserve. Reviewers highlight the clean, legible dial, blue sapphire bezel insert, and competitive pricing under $2,000. However, the steel bracelet's clasp is noted by multiple sources as rattly and feeling slightly cheap, with one reviewer finding it difficult to open. Accuracy is reported within a range of +5/-3 seconds per day. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and value proposition, tempered by minor concerns regarding the bracelet clasp.

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