Side by side

Sugess Seestern S446 GMTvsSpinnaker Challenger Automatic

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

Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269
Challenger Automatic
SpinnakerChallenger Automatic
MSRP $289

At a glance

14 of 29 specs differ
Diameter
Seestern S446 GMT40mm
Challenger Automatic42mm
Power Reserve
Seestern S446 GMT41h
Challenger Automatic40h
Water Resistance
Seestern S446 GMT100m
Challenger Automatic200m
MSRP
Seestern S446 GMT$269
Challenger Automatic$289

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
42mm
Thickness
10mm
19mm
Lug-to-Lug
47mm
49.5mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
Tritium
None

Movement

4 specs
Caliber
Seiko NH34
SII NH35A
Beat Rate
3 vph
28,800 vph
Power Reserve
41h
40h
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$269
$289

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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 Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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.

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