Side by side

Spinnaker Dumas GMTvsTissot Le Locle Open Heart

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Le Locle Open Heart
TissotLe Locle Open Heart
MSRP $995

At a glance

12 of 29 specs differ
Diameter
Dumas GMT44mm
Le Locle Open Heart39.3mm
Power Reserve
Dumas GMT40h
Le Locle Open Heart80h
Water Resistance
Dumas GMT300m
Le Locle Open Heart30m
MSRP
Dumas GMT$399
Le Locle Open Heart$995

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
44mm
39.3mm
Thickness
15mm
9.75mm
Lug-to-Lug
48mm
39.3mm
Lug Width
22mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
Dial Color
Blue
Silver
Indices
Applied
Roman

Movement

2 specs
Caliber
Seiko NH34A
11 1/2'''
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$399
$995

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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.

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.

Tissot Le Locle Open Heart

Owners widely praise the Tissot Le Locle Open Heart for its elegant aesthetic, featuring a guilloché dial and Roman numerals, and appreciate its practical 80-hour power reserve and Nivachron hairspring. The watch is also noted for offering dual bracelet and strap options, along with a see-through case back. However, one owner flags negative community feedback regarding the comfort of the synthetic leather strap. Overall, owners rate the Tissot Le Locle Open Heart highly for its attractive design and impressive technical specifications at its price point.

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