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 $525

At a glance

10 of 29 specs differ
Diameter
Dumas Automatic44mm
Diamond Collection32mm
Power Reserve
Dumas Automatic40h
Diamond Collection40h
Water Resistance
Dumas Automatic300m
Diamond Collection100m
MSRP
Dumas Automatic$239
Diamond Collection$525

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
32mm
Thickness
15mm
8.2mm
Lug-to-Lug
48mm
39mm
Lug Width
22mm
15mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

1 specs
Caliber
SII NH35A
6N32

Pricing

1 specs
MSRP
$239
$525

Follow this matchup

Get a note when Spinnaker Dumas Automatic vs Seiko Diamond Collection gets more votes, a community discussion, or a price drop. No account needed.

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. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.