Side by side

Sugess MoonPhase Master S394vsYema Flygraf Bi-Compax French Air Force

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

MoonPhase Master S394
SugessMoonPhase Master S394
MSRP $449
Flygraf Bi-Compax French Air Force
YemaFlygraf Bi-Compax French Air Force
MSRP $490

At a glance

12 of 29 specs differ
Diameter
MoonPhase Master S39440mm
Flygraf Bi-Compax French Air Force40mm
Power Reserve
MoonPhase Master S39445h
Flygraf Bi-Compax French Air Force40h
Water Resistance
MoonPhase Master S39450m
Flygraf Bi-Compax French Air Force100m
MSRP
MoonPhase Master S394$449
Flygraf Bi-Compax French Air Force$490

Full specifications

Case

5 specs
Thickness
13mm
9.5mm
Lug-to-Lug
46mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

1 specs
Dial Color
Case Black
Black

Movement

5 specs
Caliber
Seagull ST21
Type
Automatic
Quartz
Beat Rate
3 vph
28,800 vph
Power Reserve
45h
40h
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$449
$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.

Sugess MoonPhase Master S394

Owners widely praise the Sugess MoonPhase Master S394 for its impressive value, offering multiple complications at a sub-$200 price point, with one owner highlighting its deep blue dial and applied markers. While one owner finds the 14mm thickness acceptable and wearable, another notes the included straps are subpar and the movement finishing is rough under magnification. The long lugs can also create a noticeable gap with the strap. On balance, owners rate the Sugess MoonPhase Master S394 highly for the significant complications and aesthetic appeal it delivers at its accessible price.

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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