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Seiko watch · automatic

Seiko SKX009

The Seiko SKX009 measures 41 mm across and 13 mm thick, with 22 mm lugs.

Sources checked · How we source numbers
Case
41 mm1
3 sources disagree; show every value
  • seller listing 41 mm1
  • secondary source 42 mm2
  • secondary source 42.5 mm3
Lug to lug
source not reachable yet
Thickness
13 mm1
Lug width
22 mm1
Seiko SKX009: size drawingSeiko SKX009, round case, top and side view to scale: case diameter 41 mm, lug to lug — (unknown), lug width 22 mm, thickness 13 mm, rotating bezel. Bezel, dial and crown size are schematic.lug width 22Ø 41lug to lug —TOPthickness 13SIDE
Seiko SKX009, top and side, to scaleDrawing from data, not a photo · mm

Seiko SKX009 specifications

Case diameter
41 mm1seller listing
3 sources disagree; show every value
  • seller listing 41 mm1
  • secondary source 42 mm2
  • secondary source 42.5 mm3
Lug to lug
source not reachable yet
Thickness
13 mm1seller listing
Lug width
22 mm1seller listing22 mm watches
Crystal
Hardlex1seller listing
2 sources disagree; show every value
  • seller listing Hardlex1
  • secondary source Mineral2
Water resistance
200 m1seller listing
Movement
Seiko 7S261seller listing · automaticSeiko 7S26 specs
Battery
none: the Seiko 7S26 is automatic
Years made
start not published
Case code
not in our data yet
Bezel
rotating2secondary source
Case shape
round2secondary source

Movement: Seiko 7S26

The Seiko SKX009 runs on the Seiko 7S26, an automatic movement. 2 other models in our base use it.

Beat rate
21,600 bph4
Power reserve
41 h4
Jewels
214

Battery

none: the Seiko 7S26 is automatic

A mechanical watch has no cell to replace; it needs a service instead.

On your wrist

No lug-to-lug or case length is published for the Seiko SKX009, so there is no fit verdict yet.

Actual size on your screen

Calibrate once with a bank card and the drawing shows the Seiko SKX009 at 1:1, next to a millimetre ruler.

1:1 · not calibrated: sizes are approximate
Seiko SKX009: size drawingSeiko SKX009, round case, top and side view to scale: case diameter 41 mm, lug to lug — (unknown), lug width 22 mm, thickness 13 mm, rotating bezel. Bezel, dial and crown size are schematic.lug width 22Ø 41lug to lug —TOPthickness 13SIDE
Drawing from data, not a photo · mm
01020304050

Seiko SKX009 strap size

Lug width 22 mm1seller listing: a 22 mm strap with 22 mm spring bars fits between the lugs. 45 other models take 22 mm.

Attachment: not published in our sources.

Find your strap length in the watch strap size tool, with the Seiko SKX009 filled in.

On a bracelet? How to remove watch links to size it to your wrist.

22 mm strap: strap diagramTwo-piece strap laid flat (22 mm strap). Lug width 22 mm. Short piece — (unknown), long piece — (unknown). Buckle, keepers and holes are schematic.short —long —lug 22lug 22strap length —22 mm strap
22 mm at the lugs; lengths depend on your wristDrawing from data, not a photo · mm

Same size as the Seiko SKX009

Same movement: Seiko 7S26

Parts documented for the Seiko SKX009

7 claims for named aftermarket parts are in the catalogue. Each claim is tied to this exact model and its seller’s source.

Seiko SKX009 questions

What movement is in the Seiko SKX009?

The Seiko SKX009 runs on the Seiko 7S26, an automatic movement.

Does the Seiko SKX009 need a battery?

No. The Seiko SKX009 has no cell to replace: a wound mainspring drives its automatic Seiko 7S26.

What strap size does the Seiko SKX009 take?

The Seiko SKX009 measures 22 mm between the lugs, so it takes a 22 mm strap with 22 mm spring bars. 45 other models in our base share that width.

Find the strap length for your wrist and the Seiko SKX009 in the watch strap size tool.

More Seiko watches

Sources

Documents checked · Report a wrong number

  1. 1Watcharama — Seiko SKX009K2 Automatic Diver (product page) · html · read
  2. 2WatchBase — Seiko SKX009K2 : Seiko SKX009 Black / Stainless Steel (WatchBase) · html · read
  3. 3StrapsCo — Seiko SKX009 Lug Width & Strap Size · html · read
  4. 4Seiko Watch Corporation — Instructions: Seiko Automatic Diver's Watch Cal. 4R15/4R16/4R35/4R36/7S26/7S35/7S36 (English) · pdf · read
  5. 5Grail Watch — Grail Watch Reference: Seiko Cal. 7S26 · html · read