Side by side

Seiko Prospex Sea PADI Special EditionvsYema Skin Diver Slim CMM.20

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 $1,200
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

12 of 29 specs differ
Diameter
Prospex Sea PADI Special Edition45mm
Skin Diver Slim CMM.2047mm
Power Reserve
Prospex Sea PADI Special Edition70h
Skin Diver Slim CMM.2040h
Water Resistance
Prospex Sea PADI Special Edition200m
Skin Diver Slim CMM.20200m
MSRP
Prospex Sea PADI Special Edition$1,200
Skin Diver Slim CMM.20$2,117

Full specifications

Case

4 specs
Diameter
45mm
47mm
Thickness
13.4mm
10mm
Lug-to-Lug
52.6mm
47mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

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

Movement

3 specs
Caliber
6R35
Yema CMM.20
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,200
$2,117

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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 PADI color schemes, often featuring blue and red accents, and striking dials described as gorgeous and standing out in the light. Owners report excellent build quality and bezel action, with one noting the watch feels like it can take a beating, and another highlighting the lume as among the best. The bracelet is also frequently called high-quality and exceeding expectations for its price point. However, some owners find the case design can make the watch feel top-heavy, and the pin and collar system on the bracelet can be difficult during resizing. The accuracy of the 4R35 movement is noted as +45 to -35 seconds per day, and some may prefer sapphire over the Hardlex crystal. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its distinctive aesthetics and robust build at its price point.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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