Side by side

RGM Watches Model 500 GMTvsGrand Seiko SBGA375

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

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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.

RGM Watches Model 500 GMT

Owners widely praise the RGM Watches Model 500 GMT for its comfortable wearability, with one owner noting it wears smaller than its 51mm lug-to-lug suggests and another finding it fits perfectly. Reviewers highlight the well-executed sports watch design, featuring a 41mm stainless steel case, a bi-directional GMT bezel, and a matte black dial, powered by a decorated ETA 2893-2 automatic movement. The green dial color exceeded expectations for one owner, who also praised the superb deployment clasp and clean brushed finish, while the strap required no break-in. One owner noted the lack of color on the bezel as a concern. Overall, owners and reviewers rate the RGM Watches Model 500 GMT highly for its comfortable fit and well-executed design.

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

At a glance

10 of 29 specs differ
Diameter
Model 500 GMT41mm
SBGA37540mm
Power Reserve
Model 500 GMT
SBGA37572h
Water Resistance
Model 500 GMT100m
SBGA375100m
MSRP
Model 500 GMT$4,450
SBGA375$5,600

Full specifications

Case

5 specs
Category
Dress
Diameter
41mm
40mm
Thickness
11.3mm
12.5mm
Lug-to-Lug
0mm
46.2mm
Lug Width
22mm
19mm

Crystal & Dial

1 specs
AR Coating
Yes

Movement

3 specs
Caliber
ETA 2893-2
Grand Seiko 9R65
Type
Automatic
Spring Drive
Power Reserve
0h
72h

Pricing

1 specs
MSRP
$4,450
$5,600
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