Side by side

Sugess MoonPhase Master S437vsZelos GT

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

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
GT
ZelosGT
MSRP $499

At a glance

12 of 29 specs differ
Diameter
MoonPhase Master S43740mm
GT42mm
Power Reserve
MoonPhase Master S43748h
GT40h
Water Resistance
MoonPhase Master S43750m
GT100m
MSRP
MoonPhase Master S437$549
GT$499

Full specifications

Case

6 specs
Diameter
40mm
42mm
Thickness
13.5mm
10.8mm
Lug-to-Lug
47.8mm
42mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
White
SS - Azzurro
Lume
X1
None

Movement

3 specs
Caliber
ST2528
Miyota 9133
Power Reserve
48h
40h
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$499

Follow this matchup

Get a note when Sugess MoonPhase Master S437 vs Zelos GT gets more votes, a community discussion, or a price drop. No account needed.

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.

Zelos GT

The Zelos GT is lauded for its value and bold design, with owners highlighting the cool power reserve meter and superb 3-point micro-adjust bracelet. Some owners find the case and lugs could hug the wrist better, and the bracelet is noted as being quite long, requiring significant link removal for a 7.1-inch wrist. The dark green dial, while inspired by Lamborghini, is described as appearing mostly black. Overall, owners rate the Zelos GT highly for its value and the quality of its bracelet at the price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.