Side by side

Grand Seiko SBGE307vsSugess Seestern S446 GMT

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

SBGE307
Grand SeikoSBGE307
MSRP $11,500
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

14 of 29 specs differ
Diameter
SBGE30744.5mm
Seestern S446 GMT40mm
Power Reserve
SBGE30772h
Seestern S446 GMT41h
Water Resistance
SBGE307200m
Seestern S446 GMT100m
MSRP
SBGE307$11,500
Seestern S446 GMT$269

Full specifications

Case

6 specs
Diameter
44.5mm
40mm
Thickness
14.9mm
10mm
Lug-to-Lug
50mm
47mm
Lug Width
23mm
19mm
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
None
Tritium

Movement

5 specs
Caliber
9R66
Seiko NH34
Type
Spring Drive
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
72h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$11,500
$269

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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.

Grand Seiko SBGE307

The Grand Seiko SBGE307 is praised for its unique "lion's mane" textured ivory dial and angular, modern titanium case featuring Zaratsu polishing. Reviewers highlight the aggressive, claw-shaped lugs and the contrasting hairline finishing, as well as the brownish-red GMT hand as a notable accent. The watch is powered by the 9R66 Spring Drive movement, offering a 72-hour power reserve and accuracy rated at +/- 15 seconds per month by one source, and +/- 1 second per day by another. It is priced at $10,700 USD and offers 200m water resistance. On balance, reviewers find the Grand Seiko SBGE307 to be a striking timepiece distinguished by its textured dial and sharp case finishing.

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.

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