Side by side

Hamilton Ventura XXL Skeleton AutovsGrand Seiko SBGR321

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

Ventura XXL Skeleton Auto
HamiltonVentura XXL Skeleton Auto
MSRP $2,175
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

10 of 29 specs differ
Diameter
Ventura XXL Skeleton Auto46mm
SBGR32140mm
Power Reserve
Ventura XXL Skeleton Auto80h
SBGR32172h
Water Resistance
Ventura XXL Skeleton Auto50m
SBGR321100m
MSRP
Ventura XXL Skeleton Auto$2,175
SBGR321$5,200

Full specifications

Case

6 specs
Category
Skeleton
Dress
Diameter
46mm
40mm
Thickness
11.25mm
13mm
Lug-to-Lug
46mm
46.6mm
Lug Width
23mm
20mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
H-10-S
9S65
Power Reserve
80h
72h

Pricing

1 specs
MSRP
$2,175
$5,200

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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.

Hamilton Ventura XXL Skeleton Auto

The Hamilton Ventura XXL Skeleton Auto is recognized for its bold, avant-garde design featuring a unique triangular case. It is powered by a skeletonized H-10-S or ETA C07.901 movement, providing an 80-hour power reserve. The watch includes a black dial with sunray brushing and hands treated with Super-LumiNova, and comes on an integrated rubber strap. Reviewers note that while its distinctive aesthetic is a significant appeal, precise time-reading may not be its main focus. On balance, the Hamilton Ventura XXL Skeleton Auto is appreciated for its striking, statement-making design and substantial power reserve.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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