Seiko SKX009 vs Yema Navygraf Marine Nationale

Side-by-side comparison of specifications and features

SeikoSKX009

SKX009K1

YemaNavygraf Marine Nationale

Navygraf-MN

Key Differences

Best Value

Seiko SKX009 (SKX009K1)

Starting from $350

Best Water Resistance

Yema Navygraf Marine Nationale (Navygraf-MN)

300m (2x more)

Slimmest

Yema Navygraf Marine Nationale (Navygraf-MN)

13mm thick

Biggest Price Drop

Yema Navygraf Marine Nationale (Navygraf-MN)

-6.7% in 30 days

Price Comparison

Seiko SKX009

MSRP

$350

New

$844

Used

$364

Yema Navygraf Marine Nationale

MSRP

$499

New

$845

Used

$733

MSRP New (Amazon) Used (eBay)

Comparison of Seiko SKX009, Yema Navygraf Marine Nationale
Specification	Seiko SKX009	Yema Navygraf Marine Nationale
Pricing
MSRP	$350	$499
New Price	$844	$845
Used Price (Low)	$364	$733
Used Price (High)	$1,709	$1,027
30-Day Trend	↑ +5.6%	↓ -6.7%
Used Price Range	$364 - $1,709	$733 - $1,027
Identity
Reference	SKX009K1	Navygraf-MN
Nickname	N/A	N/A
Style	Diver, Tool	Diver, military
Release Era	1990s	2020s
Dimensions
Diameter	42mm	41mm
Thickness	13.4mm	13mm
Lug Width	22mm	20mm
Lug to Lug	46mm	48mm
Movement
Movement	Automatic	Automatic
Power Reserve / Battery	N/A	N/A
Accuracy	N/A	N/A
Case
Case Material	Stainless Steel	Stainless Steel
Crystal	Hardlex	Sapphire Crystal
Water Resistance	200m (diving)	300m (diving)
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

Seiko SKX009 and Yema Navygraf Marine Nationale can overlap on price or use case, but the buying decision usually comes down to water-ready utility versus dressier everyday wear. They both touch the diver use case, so smaller spec differences can matter more than brand preference.

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.

Yema Navygraf Marine Nationale

Yema Navygraf Marine Nationale is a better fit for mechanical-watch enthusiasts, diver styling.

Key Differences

Movement and upkeep

Seiko SKX009: automatic movement

Yema Navygraf Marine Nationale: 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

Yema Navygraf Marine Nationale: 41mm · L2L 48mm

Their size profiles are relatively close, so fit comes down to shape, weight, and how each watch sits on your wrist.

Water resistance

Seiko SKX009: 200m

Yema Navygraf Marine Nationale: 300m

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

Yema Navygraf Marine Nationale: $499

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

Yema Navygraf Marine Nationale: 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

Yema Navygraf Marine Nationale: sapphire crystal · steel

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...

You want the lower current entry price.

Choose Yema Navygraf Marine Nationale If...

Swimming, beach use, or tougher daily wear is part of the plan.
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 Yema Navygraf Marine Nationale 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 $475 · Live listings

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Yema Navygraf Marine Nationale

Check Price on AmazonOpens in new tab · Price may vary

Check Price on eBayFrom $877 · 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?

Start with case width and lug-to-lug. The watch that looks smaller on paper is often the safer choice, but lug shape and thickness still affect how it wears.

Which is better for swimming or rough daily wear?

Use the water resistance row as the first filter. Higher ratings generally give more flexibility for swimming and water exposure, but strap choice and overall condition still matter.

Should I choose based on price alone?

Price matters, but the better buy is the watch that matches your fit, feature priorities, and use case. Check live listings first, then decide whether the price gap actually changes the ownership experience.