Side by side

Spinnaker Dumas GMTvsYema Flygraf Bi-Compax French Air Force

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

10 of 29 specs differ
Diameter
Dumas GMT44mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
Dumas GMT40h
Flygraf Bi-Compax French Air Force40h
Water Resistance
Dumas GMT300m
Flygraf Bi-Compax French Air Force100m
MSRP
Dumas GMT$399
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
44mm
40mm
Thickness
15mm
9.5mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$490

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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 Flygraf Bi-Compax French Air Force

Owners widely praise the Yema Flygraf Bi-Compax French Air Force for its attractive, toolish aesthetic and excellent quality for the price, noting the legible Type A dial and 40mm titanium case. However, the acrylic crystal scratches easily, and the titanium case is prone to marking. The mecha-quartz movement's chrono timer sweeps rather than ticks, and one owner questions the purpose of the oversized crown. The in-house Yema 2000 movement is accurate at +/- 10 seconds per day but has a 42-hour power reserve, and some owners express concerns regarding Yema's past quality control and customer service. On balance, owners rate the Yema Flygraf Bi-Compax French Air Force highly for its attractive design and value, despite concerns about material durability and brand service history.

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