Side by side

Spinnaker Dumas GMTvsTissot Heritage 1973

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Heritage 1973
TissotHeritage 1973
MSRP $2,575

At a glance

14 of 29 specs differ
Diameter
Dumas GMT44mm
Heritage 197343mm
Power Reserve
Dumas GMT40h
Heritage 197360h
Water Resistance
Dumas GMT300m
Heritage 1973100m
MSRP
Dumas GMT$399
Heritage 1973$2,575

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
44mm
43mm
Thickness
15mm
14.8mm
Lug-to-Lug
48mm
46.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Blue
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Seiko NH34A
Valjoux
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$399
$2,575

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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 Heritage 1973

The Tissot Heritage 1973 is widely praised for its faithful vintage aesthetic, featuring a tonneau or cushion case with contrasting finishes and a panda dial with orange accents. Owners and reviewers alike appreciate its compelling remake of a 1970s racing watch, with some specifically noting the attractive dial and case curves. The watch is powered by the ETA 7753 automatic chronograph movement, offering a 60-hour power reserve. However, some find its 43mm or 44mm diameter to be large-wearing, and one owner reported difficulty setting the date and a chronograph reset that is consistently one second off. Accuracy figures vary, with one owner noting 10-15 seconds per day. The radial brushed case finish, while visually appealing, is noted as being prone to scratches that are difficult to polish out. Overall, owners and reviewers rate the Tissot Heritage 1973 highly for its tempting value and credible vintage racing style.

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