Side by side

Grand Seiko SBGM245vsSeiko Prospex LX line

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

SBGM245
Grand SeikoSBGM245
MSRP $6,100
Prospex LX line
SeikoProspex LX line
MSRP $6,500
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.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

At a glance

13 of 29 specs differ
Diameter
SBGM24540.5mm
Prospex LX line44.8mm
Power Reserve
SBGM24572h
Prospex LX line72h
Water Resistance
SBGM245200m
Prospex LX line300m
MSRP
SBGM245$6,100
Prospex LX line$6,500

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40.5mm
44.8mm
Thickness
14.4mm
15.7mm
Lug-to-Lug
48.6mm
50.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
9S66
5R65
Type
Automatic
Spring Drive
Jewels
25
30

Pricing

1 specs
MSRP
$6,100
$6,500
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