Side by side

Sugess MoonPhase Master S437vsYema Navygraf Chrono

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

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

13 of 29 specs differ
Diameter
MoonPhase Master S43740mm
Navygraf Chrono40mm
Power Reserve
MoonPhase Master S43748h
Navygraf Chrono40h
Water Resistance
MoonPhase Master S43750m
Navygraf Chrono100m
MSRP
MoonPhase Master S437$549
Navygraf Chrono$1,999

Full specifications

Case

6 specs
Thickness
13.5mm
13.9mm
Lug-to-Lug
47.8mm
Lug Width
22mm
20mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
Navy
Lume
X1
None

Movement

3 specs
Caliber
ST2528
Power Reserve
48h
40h
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$1,999

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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 S437

Owners widely praise the Sugess MoonPhase Master S437 for its striking dial, often described as deep blue or aventurine, and its value, with prices around $171-$175. The Seagull ST1908 movement is noted as accurate, with one owner reporting +3 seconds over 18 hours and another +7 seconds daily, and its hand-winding action is smooth. However, the watch's thickness, potentially over 13mm, is a concern for some as a dress watch, and the long lugs may pose a fit issue on smaller wrists. A potential design flaw in the moonphase window, showing two phases simultaneously, is flagged as a deal-breaker by some. The included leather straps are considered stiff and uncomfortable, and the domed sapphire crystal lacks AR coating, leading to reflections. On balance, owners rate the Sugess MoonPhase Master S437 highly for its stunning dial and value, despite some fit and finishing concerns.

Yema Navygraf Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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