Side by side

Seestern S446 GMTvsGrand Seiko SBGH349

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

S446 GMT
SeesternS446 GMT
MSRP $299
SBGH349
Grand SeikoSBGH349
MSRP $7,800

At a glance

13 of 29 specs differ
Diameter
S446 GMT39.5mm
SBGH34940mm
Power Reserve
S446 GMT41hh
SBGH34955h
Water Resistance
S446 GMT100m
SBGH349100m
MSRP
S446 GMT$299
SBGH349$7,800

Full specifications

Case

4 specs
Category
GMT
Dress
Diameter
39.5mm
40mm
Lug-to-Lug
47mm
46.6mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

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

Movement

5 specs
Caliber
Seiko NH34A GMT
9S85
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
55h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$7,800

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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 SBGH349

The Grand Seiko SBGH349 "Icefall" is widely praised for its stunning, deeply finished light blue dial, sharp case lines, and lightweight 40mm titanium construction. Owners and reviewers consistently highlight its understated, over-engineered finishing and practical yet obsessive build, making it suitable for daily wear and special occasions. The 13mm thickness is noted to work well with the 40mm case size, softened by the titanium material. The watch houses the automatic hi-beat 9S85 movement, offering a 55-hour power reserve and magnetic resistance of 4,800 A/m, with accuracy rated at +5 to -3 seconds per day. One reviewer notes that while the five-row bracelet is visually impressive, its clasp lacks micro-adjustability. The Grand Seiko SBGH349 is priced at $7,400 or €8,000. Overall, owners and reviewers rate the Grand Seiko SBGH349 highly for its exceptional finishing and comfortable, lightweight titanium build.

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