Side by side

Seestern S446 GMTvsGrand Seiko SBGE285

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

S446 GMT
SeesternS446 GMT
MSRP $299
SBGE285
Grand SeikoSBGE285
MSRP $8,900

At a glance

15 of 29 specs differ
Diameter
S446 GMT39.5mm
SBGE28541mm
Power Reserve
S446 GMT41hh
SBGE28572h
Water Resistance
S446 GMT100m
SBGE285100m
MSRP
S446 GMT$299
SBGE285$8,900

Full specifications

Case

5 specs
Diameter
39.5mm
41mm
Thickness
13mm
13.9mm
Lug-to-Lug
47mm
48.3mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
AR Coating
Inner
Yes
Dial Color
Cream
Black

Movement

6 specs
Caliber
Seiko NH34A GMT
9R66
Type
Automatic
Spring Drive
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
72h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$8,900

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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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

Grand Seiko SBGE285

The Grand Seiko SBGE285 is widely praised for its textured dial, high-intensity titanium case with Zaratsu polishing, and Evolution 9 design, which reviewers consider epitomizes modern Grand Seiko. Owners and reviewers highlight its refined yet sporty appearance and lightweight titanium construction, noting it wears smaller than its 41mm dimensions. The 9R66 Spring Drive movement is lauded for its precision, with accuracy reported at ±1 second per day. One owner notes the watch head shows no wear and there are no scratches on the back of the lugs, indicating excellent overall condition. Overall, owners and reviewers rate the Grand Seiko SBGE285 highly for its blend of sophisticated finishing, comfortable wearability, and precise Spring Drive GMT functionality.

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