Side by side

Spinnaker Dumas AutomaticvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

14 of 29 specs differ
Diameter
Dumas Automatic44mm
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition39mm
Power Reserve
Dumas Automatic40h
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition40h
Water Resistance
Dumas Automatic300m
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition100m
MSRP
Dumas Automatic$239
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition$700

Full specifications

Case

7 specs
Category
Diver
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
SII NH35A
V192
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$239
$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 Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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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