Side by side

Sugess MoonPhase Master S437vsGrand Seiko SBGR261

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

MoonPhase Master S437
SugessMoonPhase Master S437
MSRP $549
SBGR261
Grand SeikoSBGR261
MSRP $4,900

At a glance

15 of 29 specs differ
Diameter
MoonPhase Master S43740mm
SBGR26139.5mm
Power Reserve
MoonPhase Master S43748h
SBGR26172h
Water Resistance
MoonPhase Master S43750m
SBGR26130m
MSRP
MoonPhase Master S437$549
SBGR261$4,900

Full specifications

Case

8 specs
Category
Chronograph
Dress
Diameter
40mm
39.5mm
Thickness
13.5mm
13.1mm
Lug-to-Lug
47.8mm
46.9mm
Lug Width
22mm
19mm
Material
Stainless Steel/Rose Gold
Stainless Steel
Water Resistance
50m
30m
Caseback
Display
Solid

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
X1
None

Movement

3 specs
Caliber
ST2528
9S65
Power Reserve
48h
72h
Complications
Moonphase, Date
None

Pricing

1 specs
MSRP
$549
$4,900

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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.

Grand Seiko SBGR261

Grand Seiko SBGR261 owners praise its perfect 39.5mm dimensions, beautiful cream lacquered dial with a silver date disc, and blued second hand, noting the excellent finishing for its price point and its suitability for formal events. Some find the design too safe and the cream dial with leather strap less appealing, while others flag its over 13mm thickness as too tall for a dress watch. The movement finishing is described as rudimentary, though the 9S65 automatic is considered well-made and a terrific value. Overall, owners rate the Grand Seiko SBGR261 highly for its classic design and excellent finishing at its price.

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