Determine lug width by one of the following

Check for markings on the underside of your current band.
Measure the width using a metric ruler or by printing our measurement template.
Smart watch owners can check our table of Common Smart Watch Lug Widths.
Search online for the specs of your watch make/model.
Strapsuits Watch Bands Compatible Lug Width Size Chart 18mm  20mm 22mm 24mm

Rolex Sport Watches Strap Size chart

Model Reference Case Size Lug Size

Rolex Submariner

124060, 126610LV, 126610LN, 126619

41mm

21mm

Rolex Submariner

116618, 114060, 116610LV, 14060, 16610, 16610LV, 16613, 16618, 16800

40mm

20mm

Rolex Sea-Dweller

16600, 126600, 126603

40mm

20mm

Rolex Deepsea

126660

44mm

20mm

Rolex Explorer II

16570

40mm

20mm

Rolex Explorer

214270

39mm

20mm

Rolex Explorer II

216570

42mm

21mm

Rolex GMT_Master II

116710BLNR, 126710BLRO, 16700, 16710, 16713, 16718

40mm

20mm

Rolex Daytona

116520, 116523, 116528, 116500

40mm

20mm

Rolex Yatch-Master 40

16622, 16628

37mm

20mm

Rolex Yatch-Master 37

268622, 268655

37mm

18mm


Rolex Dive Watches Strap Size chart

Model Reference Case Size Lug Size

Rolex Day-Date 36

128238

36mm

20mm

Rolex Cellini

50509, 50535

39mm

20mm

Rolex Milgauss

116400GV

40mm

20mm

Rolex Datejust

126233, 126231, 16200, 16203, 16220, 16233, 16234, 16238, 16248

36mm

20mm

Rolex Sky-Dweller

326934, 326938

42mm

22mm


Seiko Strap Size chart

Watch Model Lug Width (mm)

Grand Seiko

19mm

Seiko 5

18mm

Seiko Diver

22mm

Seiko Alpinist

20mm

Seiko SARB033

20mm

Seiko Sumo SBDC031

20mm

Seiko MM300

20mm

Seiko SKX013, SKX023

20mm

Seiko Cocktail Time Power Reserve

20mm

Seiko Solar Chrono

20mm

Seiko Monster

20mm

Seiko MM200

20mm

Seiko 62MAS Reissue

20mm

Seiko Mini Turtle

20mm

Seiko SKX007

22mm

Seiko SRP777 Turtle

22mm

Seiko Tuna

22mm

Seiko Atlas

22mm

Seiko SNZF17 Sea Urchin

22mm

Seiko Recraft SRPC13 Blue

22mm


Apple Watch Strap Size chart

Watch Case & Size Lug Width (mm)

Apple Watch 1st generation 38mm

22mm

Apple Watch 1st generation 42mm

24mm

Apple Watch Series 1, 2 and 3 38mm

22mm

Apple Watch Series 1, 2 and 3 42mm

24mm

Apple Watch Series 4, 5 and 6 40mm

22mm

Apple Watch Series 4, 5 and 6 44mm

24mm

Apple Watch SE 40mm

22mm

Apple Watch SE 44mm

24mm


Watch Make & Model Lug Width (mm)

Apple Watch Strap Width

See Apple Watch section.

Breitling Navitimer Strap Width

22mm

Grand Seiko Snowflake Strap Width

20mm

IWC Pilot’s Watch Mark XVIII Strap Width

20mm

Omega Speedmaster Strap Width

20mm

Omega Seamaster Strap Width

20mm

Breitling TopTime

18mm

IWC Portuguese

20mm

Tudor Ranger

22mm

Tag Heuer Carrera Strap Width

20mm

Tudor Black Bay Strap Width

22mm

Oris Divers Sixty-Five

20mm

Orient Mako II

22mm

Orient Ray II

22mm

Orient Triton

22mm