Side by side

Spinnaker Dumas GMTvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

14 of 29 specs differ
Diameter
Dumas GMT44mm
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition39mm
Power Reserve
Dumas GMT40h
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition40h
Water Resistance
Dumas GMT300m
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition100m
MSRP
Dumas GMT$399
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition$700

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
44mm
39mm
Thickness
15mm
13.3mm
Lug-to-Lug
48mm
45.5mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Seiko NH34A
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$700

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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.

Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

Owners and reviewers widely praise the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition for its attractive vintage-inspired aesthetics, functional solar dials, and wearable proportions, with some noting the chronograph pushers are a joy to operate. The domed sapphire crystal is a recurring positive, as is the overall value proposition at its price point, with specific models highlighted for their neo-vintage Daytona flair and Pogue-inspired colorways. However, several sources point to a limited bracelet clasp with only two micro-adjustments and a small, hard-to-read date window as drawbacks. Some owners also note internal reflections on the domed sapphire crystal and occasional slight misalignment of the chronograph seconds hand at zero. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition highly for its compelling retro design and modern solar functionality at an accessible price.

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