Side by side

Seiko Prospex Sea PADI Special EditionvsSwatch Sistem Lake

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

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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

Owners widely praise the Seiko Prospex Sea PADI Special Edition for its robust build quality, excellent bezel action, and strong lume that performs well in low light. Reviewers note specific models feature attractive dials, such as the jewel-toned teal with a water pattern or a deep dark blue gradient. Some owners highlight the comfortable wearability and solid bracelets. The 4R36 movement is mentioned with a 41-hour power reserve, while the 6R55 movement offers a 72-hour power reserve and a stated accuracy of +25/-15 seconds per day. One owner finds the multi-lingual date function and divers extension difficult to use, and bracelet adjustment can be initially frustrating. On balance, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its dive watch functionality and attractive dial designs.

Swatch Sistem Lake

The Sistem Lake houses an innovative SISTEM51 IRONY automatic movement with an extended 90-hour power reserve, viewable through the open caseback. The rubber bracelet combines durability with non-allergenic materials suitable for extended wear. Reviewers did not identify shared concerns about specific design or performance trade-offs.

At a glance

17 of 29 specs differ
Diameter
Prospex Sea PADI Special Edition45mm
Sistem Lake42mm
Power Reserve
Prospex Sea PADI Special Edition41h
Sistem Lake
Water Resistance
Prospex Sea PADI Special Edition200m
Sistem Lake30m
MSRP
Prospex Sea PADI Special Edition$650
Sistem Lake$230

Full specifications

Case

7 specs
Category
Diver
Mechanical
Diameter
45mm
42mm
Thickness
13.2mm
13.8mm
Lug-to-Lug
47.7mm
50.6mm
Lug Width
22mm
Finish
Stainless Steel
Water Resistance
200m
30m

Crystal & Dial

4 specs
Crystal
Sapphire
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

5 specs
Caliber
Seiko 4R36
Power Reserve
41h
0h
Jewels
24
0
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$650
$230
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