Side by side

Grand Seiko SBGM245vsTudor Black Bay GMT

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275

At a glance

17 of 29 specs differ
Diameter
SBGM24540.5mm
Black Bay GMT41mm
Power Reserve
SBGM24572h
Black Bay GMT70h
Water Resistance
SBGM245200m
Black Bay GMT200m
MSRP
SBGM245$6,100
Black Bay GMT$5,275

Full specifications

Case

6 specs
Diameter
40.5mm
41mm
Thickness
14.4mm
14.6mm
Lug-to-Lug
48.6mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Indices
Applied

Movement

7 specs
Caliber
9S66
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
$6,100
$5,275

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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.

Tudor Black Bay GMT

The Tudor Black Bay GMT is widely praised for its in-house movement offering local jumping GMT functionality, its impressive case finishing, and its vintage-inspired, drop-dead good looks. Reviewers highlight its strong value and consider it a quintessential sport watch for travelers. Some enthusiasts find its 15mm thickness divisive, though beveled edges visually reduce its perceived size. Overall, reviewers rate the Tudor Black Bay GMT highly for its excellent design and travel functionality at its price point.

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