Side by side

Spinnaker Dumas AutomaticvsSeiko Diamond Collection

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

Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
Diamond Collection
SeikoDiamond Collection
MSRP $475

At a glance

13 of 29 specs differ
Diameter
Dumas Automatic44mm
Diamond Collection27mm
Power Reserve
Dumas Automatic40h
Diamond Collection40h
Water Resistance
Dumas Automatic300m
Diamond Collection50m
MSRP
Dumas Automatic$239
Diamond Collection$475

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
27mm
Thickness
15mm
7.5mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
SII NH35A
V137
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$239
$475

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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 Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial, which reviewers note is difficult to photograph accurately. The watch is frequently cited as offering excellent value for its fit and finish, with specific features like sapphire crystal and 100m water resistance contributing to its appeal. One owner reports great durability and accuracy, with a solar charging reserve, though notes that the gold plating on the bracelet shows some fading from desk work. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and perceived value.

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