Side by side

Sugess MoonPhase Master S389vsSpinnaker Cahill Automatic

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

MoonPhase Master S389
SugessMoonPhase Master S389
MSRP $599
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

16 of 29 specs differ
Diameter
MoonPhase Master S38940mm
Cahill Automatic42mm
Power Reserve
MoonPhase Master S38935h
Cahill Automatic40h
Water Resistance
MoonPhase Master S38950m
Cahill Automatic200m
MSRP
MoonPhase Master S389$599
Cahill Automatic$350

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
40mm
42mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m
Caseback
Display
Solid

Crystal & Dial

2 specs
Dial Color
2 Salmon
Green
Lume
Tritium
None

Movement

5 specs
Caliber
Seagull ST19
SII NH35A
Type
Manual
Automatic
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
40h
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$599
$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 S389

Owners widely praise the Sugess MoonPhase Master S389 for its beautiful dial and glowing moonphase, with some finding it a stunner that exceeds expectations and a bargain for the price. However, reviewers and owners alike flag rotor noise and thickness as potential drawbacks, and one owner reported receiving a defective unit. Accuracy is reported at -6 seconds per day, and while the dial features applied markers and polished hands, the movement finishing is noted as rough under magnification. Overall, owners rate the Sugess MoonPhase Master S389 highly for its aesthetic appeal and value, despite some concerns regarding rotor noise and build quality consistency.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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