Seiko SKX009 vs Swatch Scuba Fifty Fathoms

Side-by-side comparison of specifications and features

SeikoSKX009

SKX009K1

SwatchScuba Fifty Fathoms

SO35A100

Key Differences

Best Value

Seiko SKX009 (SKX009K1)

Starting from $350

Best Water Resistance

Seiko SKX009 (SKX009K1)

200m (2x more)

Price Comparison

Seiko SKX009

MSRP

$350

New

$951

Used

$367

Swatch Scuba Fifty Fathoms

MSRP

$420

New

$600

Used

$430

MSRP New (Amazon) Used (eBay)

Comparison of Seiko SKX009, Swatch Scuba Fifty Fathoms
Specification	Seiko SKX009	Swatch Scuba Fifty Fathoms
Pricing
MSRP	$350	$420
New Price	$951	$600
Used Price (Low)	$367	$430
Used Price (High)	$972	$944
30-Day Trend	↑ +1.1%	↑ +1.1%
Used Price Range	$367 - $972	$430 - $944
Identity
Reference	SKX009K1	SO35A100
Nickname	N/A	N/A
Style	Diver, Tool	Diver, Casual
Release Era	1990s	2020s
Dimensions
Diameter	42mm	42.3mm
Thickness	13.4mm	N/A
Lug Width	22mm	N/A
Lug to Lug	46mm	N/A
Movement
Movement	Automatic	Automatic
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Plastic
Crystal	Hardlex	Acrylic
Water Resistance	200m (diving)	91m (swimming)
Bezel	Unidirectional rotating	Unidirectional rotating
Dial
Dial Color	Blue	Black
Luminous	Yes	Yes
Community
Review Rating	N/A	N/A
In Collections	N/A	N/A
On Wishlists	N/A	N/A
Forum Threads	N/A	N/A

Quick Summary

If you are deciding between Seiko SKX009 and Swatch Scuba Fifty Fathoms, the real decision is usually about wrist presence versus easier fit, water-ready utility versus dressier everyday wear. Start with fit first — case width and lug-to-lug usually matter more than secondary features if wrist comfort is a concern.

How to choose

The biggest practical difference is usually movement and upkeep. Start with wrist fit and movement preference, then use water resistance and price to break the tie.

Seiko SKX009

Seiko SKX009 is a better fit for mechanical-watch enthusiasts, diver styling.

Swatch Scuba Fifty Fathoms

Swatch Scuba Fifty Fathoms is a better fit for mechanical-watch enthusiasts, diver styling.

Key Differences

Movement and upkeep

Seiko SKX009: automatic movement

Swatch Scuba Fifty Fathoms: automatic movement

Both use the same movement type, so maintenance differences are limited and fit or feature details should decide the purchase.

Size and wearability

Seiko SKX009: 42mm · L2L 46mm · 105g

Swatch Scuba Fifty Fathoms: 42.3mm

Fit is a real separator here — compare case width and lug-to-lug before deciding, especially if wrist comfort matters more than headline features.

Water resistance

Seiko SKX009: 200m

Swatch Scuba Fifty Fathoms: 91m

Water resistance is a meaningful separator here — the higher-rated option gives more flexibility for swimming or rougher daily use.

Price and value

Seiko SKX009: $350

Swatch Scuba Fifty Fathoms: $500

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Style and use case

Seiko SKX009: diver

Swatch Scuba Fifty Fathoms: diver

Both lean into a similar diver use case — the choice is more about fit, features, and price than category.

Crystal and materials

Seiko SKX009: Hardlex crystal · steel

Swatch Scuba Fifty Fathoms: acrylic crystal · plastic

Crystal choice can change long-term wear expectations — one may prioritize scratch resistance while the other keeps cost or vintage feel in check.

Choose Seiko SKX009 If...

Swimming, beach use, or tougher daily wear is part of the plan.
You want the lower current entry price.

Choose Swatch Scuba Fifty Fathoms If...

You are comfortable paying more for a stronger feature set.

Price and Value Notes

Seiko SKX009 is often the value play at current pricing, while Swatch Scuba Fifty Fathoms makes more sense if you will use its extra features regularly.

There is a real price gap here — treat the more expensive option as an upgrade decision and confirm whether the extra spend buys something you will notice in weekly use.

Where to Check Deals

Check current deals on Amazon and eBay using the buttons below — listing prices, seller quality, and condition can change quickly.

Check current deals on Amazon and eBay

Prices change often, so compare the latest listings and condition options before you buy.

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Seiko SKX009

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $460 · Live listings

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Swatch Scuba Fifty Fathoms

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $500 · Live listings

Affiliate links — WatchCompared earns a commission on qualifying purchases. This doesn't affect your price.

Comparison FAQ

Which one is better for smaller wrists?

Neither is clearly smaller: case width is 42mm vs 42.3mm. Pick on strap and looks instead — the size difference is not what will decide this for you.

Which is better for swimming or rough daily wear?

Seiko SKX009 — it is rated 200m versus 91m, which is the difference between swimming confidently and only handling splashes.

Is the more expensive one worth it?

Seiko SKX009 is the value pick at roughly $150 less. Pay more only if a specific difference above matters to you — otherwise the cheaper one is the smarter buy. Confirm live listings, since marketplace pricing moves.