Side by side

Hamilton Ventura S AutovsSpinnaker Dumas GMT

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

Ventura S Auto
HamiltonVentura S Auto
MSRP $1,345
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

11 of 29 specs differ
Diameter
Ventura S Auto34mm
Dumas GMT44mm
Power Reserve
Ventura S Auto48h
Dumas GMT40h
Water Resistance
Ventura S Auto50m
Dumas GMT300m
MSRP
Ventura S Auto$1,345
Dumas GMT$399

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
34mm
44mm
Thickness
10.65mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
16mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
C26.101
Seiko NH34A
Power Reserve
48h
40h

Pricing

1 specs
MSRP
$1,345
$399

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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 S Auto

The Hamilton Ventura S Auto is widely regarded as a conversation-starting, unique, sci-fi-inspired piece with a cool openworked dial. Owners praise its good finishing and find it more versatile for everyday wear than initially expected, with some acknowledging its iconic status. However, the Hamilton Ventura S Auto is also described as expensive for its features, with limited styling versatility and a design that some find polarizing, leading to a novelty that can wear off. Concerns are raised about its 14mm thickness and dial legibility, with some finding the side wings overwhelming for smaller wrists and the case wearing large. On balance, owners and reviewers appreciate the Hamilton Ventura S Auto for its distinctive design and conversation-starting qualities, despite its polarizing aesthetic and price point.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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