Side by side

Seestern S456 GMTvsGrand Seiko SBGM245

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

S456 GMT
SeesternS456 GMT
MSRP $299
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

14 of 29 specs differ
Diameter
S456 GMT41mm
SBGM24540.5mm
Power Reserve
S456 GMT41hh
SBGM24572h
Water Resistance
S456 GMT200m
SBGM245200m
MSRP
S456 GMT$299
SBGM245$6,100

Full specifications

Case

5 specs
Diameter
41mm
40.5mm
Thickness
13mm
14.4mm
Lug-to-Lug
49mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Black
Lume
C1
None

Movement

5 specs
Caliber
Seiko NH34
9S66
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
72h
Jewels
24
25
Complications
GMT
None

Pricing

1 specs
MSRP
$299
$6,100

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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 S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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