Side by side

Sugess MoonPhase Master S394vsSpinnaker Hull Riviera

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

MoonPhase Master S394
SugessMoonPhase Master S394
MSRP $449
Hull Riviera
SpinnakerHull Riviera
MSRP $169

At a glance

14 of 29 specs differ
Diameter
MoonPhase Master S39440mm
Hull Riviera42mm
Power Reserve
MoonPhase Master S39445h
Hull Riviera40h
Water Resistance
MoonPhase Master S39450m
Hull Riviera100m
MSRP
MoonPhase Master S394$449
Hull Riviera$169

Full specifications

Case

8 specs
Category
Chronograph
Sport
Diameter
40mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
46mm
47.5mm
Lug Width
20mm
22mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
50m
100m
Caseback
Display
Solid

Crystal & Dial

1 specs
Dial Color
Case Black
Blue

Movement

4 specs
Caliber
Seagull ST21
SII NH35A
Beat Rate
3 vph
28,800 vph
Power Reserve
45h
40h
Complications
GMT, Chronograph, Moonphase, Date
None

Pricing

1 specs
MSRP
$449
$169

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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 S394

Owners widely praise the Sugess MoonPhase Master S394 for its impressive value, offering multiple complications at a sub-$200 price point, with one owner highlighting its deep blue dial and applied markers. While one owner finds the 14mm thickness acceptable and wearable, another notes the included straps are subpar and the movement finishing is rough under magnification. The long lugs can also create a noticeable gap with the strap. On balance, owners rate the Sugess MoonPhase Master S394 highly for the significant complications and aesthetic appeal it delivers at its accessible price.

Spinnaker Hull Riviera

Owners praise the Spinnaker Hull Riviera's build quality, highlighting its milled clasp, solid links, and effective anti-reflective coating on the sapphire crystal. The watch features a sandwich dial with Superluminova, measures 42mm in diameter, 12mm thick with a 48mm lug-to-lug span, and uses a Seiko NH35 movement. Accuracy is reported as excellent, with one owner noting a gain of only +2 seconds over seven days. The crystal is noted as being fused to the case, leading to a repair quote of $198 for a cracked crystal, a cost considered excessive by some owners relative to the watch's price. Lume is considered mediocre, and some would have preferred a 4Hz movement. Overall, owners rate the Spinnaker Hull Riviera highly for its robust build and impressive accuracy at its price point.

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