Side by side

Spinnaker Dumas GMTvsSugess Chrono Heritage 1963 (SU1963)

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
Chrono Heritage 1963 (SU1963)
SugessChrono Heritage 1963 (SU1963)
MSRP $449

At a glance

16 of 29 specs differ
Diameter
Dumas GMT44mm
Chrono Heritage 1963 (SU1963)38mm
Power Reserve
Dumas GMT40h
Chrono Heritage 1963 (SU1963)35h
Water Resistance
Dumas GMT300m
Chrono Heritage 1963 (SU1963)50m
MSRP
Dumas GMT$399
Chrono Heritage 1963 (SU1963)$449

Full specifications

Case

8 specs
Category
GMT
Chronograph
Diameter
44mm
38mm
Thickness
15mm
13mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
13mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m
Caseback
Solid
Display

Crystal & Dial

2 specs
Crystal
Sapphire
Acrylic/Sapphire
Dial Color
Blue
40mm Silver

Movement

5 specs
Caliber
Seiko NH34A
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Chronograph, Moonphase

Pricing

1 specs
MSRP
$399
$449

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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.

Sugess Chrono Heritage 1963 (SU1963)

Owners widely praise the Sugess Chrono Heritage 1963 (SU1963) as a stunning mechanical chronograph and a bargain for its price, with some noting its beautiful ST1901 movement finishing as amazing value. However, community feedback indicates inconsistent production and delivery, with reports of fragility and quality control issues such as broken pushers and crowns, and even movement failures within months. Accuracy figures vary, with some owners reporting reliability within +/- 8 seconds per day, while others note it running at about +15 seconds per day when kept wound, and some find the ST19 movement loud. On balance, owners rate the Sugess Chrono Heritage 1963 highly for its value and aesthetic appeal as a mechanical chronograph, despite noted quality control concerns.

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