Side by side

Seiko Prospex Sea PADI Special EditionvsDOXA SUB 300T

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

Prospex Sea PADI Special Edition
SeikoProspex Sea PADI Special Edition
MSRP $625
SUB 300T
DOXASUB 300T
MSRP $2,190

At a glance

12 of 29 specs differ
Diameter
Prospex Sea PADI Special Edition43.8mm
SUB 300T42.5mm
Power Reserve
Prospex Sea PADI Special Edition41h
SUB 300T40h
Water Resistance
Prospex Sea PADI Special Edition200m
SUB 300T1,200m
MSRP
Prospex Sea PADI Special Edition$625
SUB 300T$2,190

Full specifications

Case

5 specs
Diameter
43.8mm
42.5mm
Thickness
12.8mm
12mm
Lug-to-Lug
48.7mm
46mm
Lug Width
22mm
20mm
Water Resistance
200m
1200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
Aquamarine
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova

Movement

3 specs
Caliber
4R35
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$625
$2,190

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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.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive, jewel-toned teal or emerald green dials with wave patterns and vibrant PADI color schemes. Owners and reviewers note its solid build quality, refined case, and good value, with some highlighting the laser-engraved bezel numerals and LumiBrite for legibility. The 6R55 movement offers a 72-hour power reserve, while the 6R15 provides 50 hours. Accuracy figures vary, with the 6R55 rated +25/-15 seconds per day and the 6R15 around +/- 15-25 seconds per day. Some find the lug-to-lug measurement, around 49.5mm, potentially long for smaller wrists, and one owner noted a unique case design made the watch wear top-heavy. Another owner found the finishing and bracelet design basic. Overall, owners and reviewers appreciate the Seiko Prospex Sea PADI Special Edition for its striking dial aesthetics and solid dive watch construction at its price point.

DOXA SUB 300T

Owners widely praise the DOXA SUB 300T's functional and distinctive design, with reviewers highlighting its historical visibility and robust build. Legibility is consistently noted as excellent, with reviewers appreciating the functional no-decompression bezel and distinct hand shapes. The watch's accuracy is reported as good, with one owner seeing a 3-4 second daily gain, though the 38-hour power reserve is considered underwhelming by some at its price point. Criticisms include a stamped clasp that feels out of place and a bezel that may have lateral movement. The 42.5mm case is described as substantial and heavy, appearing larger due to extra width and making it unsuitable for dress shirts, a trade-off for its 1200-meter water resistance. On balance, owners and reviewers rate the DOXA SUB 300T highly for its unique design and robust dive watch capabilities.

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