Side by side

Spinnaker Challenger AutomaticvsSugess MoonPhase Master SU2108

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

Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289
MoonPhase Master SU2108
SugessMoonPhase Master SU2108
MSRP $549

At a glance

16 of 29 specs differ
Diameter
Challenger Automatic42mm
MoonPhase Master SU210840mm
Power Reserve
Challenger Automatic40h
MoonPhase Master SU210841h
Water Resistance
Challenger Automatic200m
MoonPhase Master SU21085m
MSRP
Challenger Automatic$289
MoonPhase Master SU2108$549

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
42mm
40mm
Thickness
19mm
11.5mm
Lug-to-Lug
49.5mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel/Gold
Finish
Brushed and polished
Polished
Water Resistance
200m
5m
Caseback
Solid
Display

Crystal & Dial

1 specs
Dial Color
Blue
S438 White

Movement

5 specs
Caliber
SII NH35A
Seagull ST21
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
41h
Jewels
25
21
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$289
$549

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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.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

Sugess MoonPhase Master SU2108

Owners widely praise the Sugess MoonPhase Master SU2108 for its gorgeous, affordable dress watch aesthetic, intricate dial details, and elegant rose gold finish. Reviewers note a well-decorated Seagull ST2108 movement averaging +7 seconds daily, a lumed moonphase, applied Roman numerals, and a multi-textured dial. However, some owners find the 40mm diameter and 50mm lug-to-lug too large for smaller wrists, and the polished blue hands can make quick time-telling difficult. Criticisms also include a date hand that obscures numerals, a domed sapphire crystal lacking AR coating, and stiff stock straps. On balance, owners rate the Sugess MoonPhase Master SU2108 highly for its elegant design and value in the affordable dress watch segment.

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