Side by side

Sugess MoonPhase Master S437vsLongines MASTER COLLECTION

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

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $2,350

At a glance

21 of 29 specs differ
Diameter
MoonPhase Master S43740mm
MASTER COLLECTION29mm
Power Reserve
MoonPhase Master S43748h
MASTER COLLECTION45h
Water Resistance
MoonPhase Master S43750m
MASTER COLLECTION30m
MSRP
MoonPhase Master S437$549
MASTER COLLECTION$2,350

Full specifications

Case

9 specs
Category
Chronograph
Diameter
40mm
29mm
Thickness
13.5mm
9mm
Lug-to-Lug
47.8mm
34.5mm
Lug Width
22mm
15mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Display
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Silver
Indices
Applied
Painted Arabic numerals
Lume
X1
Super-LumiNova

Movement

6 specs
Caliber
ST2528
L592.5
Power Reserve
48h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Moonphase, Date
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$549
$2,350

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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.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent finishing and value, with specific mentions of beautiful dials featuring engraved Breguet numerals and blued hands. The movement offers a 72-hour power reserve, and the classical design is noted as versatile. Some owners report the bracelet lacks sufficient micro-adjustment options for a precise fit, and one owner experienced a broken moon phase setting mechanism requiring service. The Master Collection Annual Calendar has 30m water resistance, considered light by one reviewer. Overall, the consensus is that owners and reviewers rate the Longines Master Collection highly for its exceptional value and refined finishing.

From video reviewers

The watch has a strong wrist presence and comfort. The movement accuracy is also a notable feature, delivering luxury value at its price point.

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