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Seiko

Seiko SKX007 / SKX009 Strap Size — 22mm Lug Width

The Seiko SKX007 / SKX009 has a 22mm lug width, so it takes a 22mm watch strap.

Lug width22mm
Lug width22 mm
Case size42.5 mm
Lug-to-lug46 mm
Thickness13.25 mm
Spring bar Ø (typical)2.5 mm
End typeStraight

Which reference do you have?

Similar-looking models can take different straps. Your reference number is on the case back or your papers.

ModelCaseStrap
SKX007 / SKX00942.5mm22mm
SKX013 (midsize)38mm20mm
5 Sports SRPD (5KX)42.5mm22mm

Strap styles that fit

  • NATO / Zulu22mm fits if the strap's thickness clears the case under the bars.
  • PerlonWoven pass-through, 22mm.
  • 2-piece leatherStraight ends fit flush.
  • Rubber / siliconePick straps with holes made for fat bars.
  • Milanese / meshStraight-end 22mm mesh fits.
  • Metal braceletNeeds 22mm end-links shaped for this case.

▲ Fat spring bars — thicker straps sit best.

Fit & sizing notes for the SKX007 / SKX009

22mm lug width42.5mm case46mmlug-to-lug
  • Width: buy 22mm straps. Tapered straps listed as 22/20mm or 22/18mm fit too; only the first number has to match. See strap sizes explained.
  • Spring bars: 22mm long, about 2.5mm diameter. These are fat bars, so pick straps with holes made for them, or swap to thinner 22mm bars for slim leather (spring bar sizes).
  • Wrist fit: at 46mm lug-to-lug it should sit within the top of wrists from about 15.3cm up (rule of thumb: lug-to-lug under ~30% of wrist size). That's longer than 22% of the watches in our index. See what size watch suits your wrist.
  • Strap thickness: at 13.25mm thick it's a chunky case: thicker padded leather, rubber/FKM or a heavier NATO balance it visually; very thin straps can look undersized.

The SKX007 (black bezel) and SKX009 (Pepsi) share the same 42.5mm case and 22mm lugs. Don't confuse them with the midsize SKX013, which takes 20mm. The SKX uses thick ‘fat’ spring bars, commonly quoted as 2.5mm, so thin leather straps with small holes may not take them: choose straps made for fat bars, or fit thinner 22mm bars for light straps. Many SKXs have been modded; if yours has an aftermarket case, measure it.

Sources & corrections

Lug width checked against: StrapsCo: SKX007; Delugs: SKX007 strap guide. Last checked 24 October 2026.

Spec wrong for your watch? Send us a correction with your reference number.

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Seiko SKX007 / SKX009 — strap questions

What size strap does the SKX007 / SKX009 take?
The Seiko SKX007 / SKX009 has a 22mm lug width, so you need a 22mm watch strap.
Will any 22mm strap fit the SKX007 / SKX009?
Most will. Width is the main thing to match, but also check that the strap's spring-bar holes suit the bars, and that the strap is thin enough to clear the case between the lugs. A metal bracelet needs 22mm end-links made for this model.
What spring bar size does the SKX007 / SKX009 use?
22mm long and about 2.5mm in diameter (a typical figure; measure the original bar to be sure). These are thicker 'fat' bars, so heavier straps suit it best.
Is the SKX007 / SKX009 good for strap swapping?
Yes. With standard 22mm spring-bar lugs, NATO, leather, rubber and mesh straps can all be fitted with a spring-bar tool.