Spinnaker Dumas AutomaticvsSeiko Prospex Sea PADI Special Edition

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Spinnaker Dumas Automatic at true scale

Dumas Automatic

Seiko Prospex Sea PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

44mm

45mm

Lug-to-Lug

48mm

47.7mm

lowest

Thickness

15mm

13.2mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$239

lowest

$650

Movement

Seiko NH35

Seiko 4R36

Case

5 specs
Diameter
44mm
45mm
Thickness
15mm
13.2mm
Lug-to-Lug
48mm
47.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$239
$650
Keep your wishlist and collection together in the appExplore the app

Reviews

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 robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its excellent value and classic Seiko diver charm, with owners and reviewers highlighting its robust build quality, comfortable wearability, and strong functionality. The watch is noted for its accessible price point, offering a complete experience with a distinctive design and proven functionality. Specific praise is given to its excellent lume, which captures light easily, and its bezel action, described as smoother and more precise than some alternatives. However, some owners question the value of "special editions" in general. One owner noted that while the 45mm case size is substantial, it contributes to the watch's presence, and another found the multi-lingual date function and diver's extension difficult to use, with initial bracelet adjustment being frustrating. Overall, owners rate the Seiko Prospex Sea PADI Special Edition highly for its excellent value and robust build quality.

Similar watches

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

DiscussionNot started

Also compared

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