Side by side

Sugess MoonPhase Master S426vsSpinnaker Cahill Automatic

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

MoonPhase Master S426
SugessMoonPhase Master S426
MSRP $599
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

14 of 29 specs differ
Diameter
MoonPhase Master S42640mm
Cahill Automatic42mm
Power Reserve
MoonPhase Master S42635h
Cahill Automatic40h
Water Resistance
MoonPhase Master S4265m
Cahill Automatic200m
MSRP
MoonPhase Master S426$599
Cahill Automatic$350

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
40mm
42mm
Thickness
10mm
13.7mm
Lug-to-Lug
46mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
5m
200m
Caseback
Display
Solid

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

4 specs
Caliber
ST2153
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
35h
40h
Complications
Moonphase, Date, Power reserve indicator
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 S426

Owners widely praise the Sugess MoonPhase Master S426 for its sapphire crystal, well-finished stainless steel case, and the Seagull ST2153 automatic movement, which offers hacking and manual winding. The watch features a real moonphase complication, power reserve indicator, and date function, all for approximately $200. Reviewers highlight the guilloche dial detailing and the ST2155 movement, an ETA clone, noting its true moonphase complication. Overall, owners rate the Sugess MoonPhase Master S426 highly for its impressive complications and finishing at its price point.

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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