Side by side

Grand Seiko SBGA375vsZelos Skyraider 40 Skeleton

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

SBGA375
Grand SeikoSBGA375
MSRP $5,600
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

12 of 29 specs differ
Diameter
SBGA37540mm
Skyraider 40 Skeleton40mm
Power Reserve
SBGA37572h
Skyraider 40 Skeleton40h
Water Resistance
SBGA375100m
Skyraider 40 Skeleton50m
MSRP
SBGA375$5,600
Skyraider 40 Skeleton$1,999

Full specifications

Case

6 specs
Category
Dress
Skeleton
Thickness
12.5mm
8.2mm
Lug-to-Lug
46.2mm
40mm
Lug Width
19mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
50m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
Ti Damascus LE

Movement

3 specs
Caliber
9R65
Swiss Skeletonised Marvin 700
Type
Spring Drive
Manual
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$5,600
$1,999

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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 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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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