Side by side

Grand Seiko SBGM245vsSugess Seestern Heritage S436-2 BB GMT

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

11 of 29 specs differ
Diameter
SBGM24540.5mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
SBGM24572h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
SBGM245200m
Seestern Heritage S436-2 BB GMT10m
MSRP
SBGM245$6,100
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

4 specs
Diameter
40.5mm
40mm
Thickness
14.4mm
12.2mm
Lug-to-Lug
48.6mm
48mm
Water Resistance
200m
10m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
None
Tritium

Movement

4 specs
Caliber
9S66
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
72h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$6,100
$299

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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 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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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