Lug Width Guide

Below are some of the most commonly purchased watches that use a 20mm lug width.

If your watch is listed here, you’ll need a 20mm strap.

 

Always confirm by:

  • Checking the manufacturer’s specifications
  • Measuring the distance between the lugs with a ruler or caliper

 

Swatch x Omega

  • MoonSwatch (all 42mm models) – 20mm lug width

 

Rolex

  • Datejust 36 (16xxx / 162xx / 1162xx / 1262xx) – 20mm
  • Oyster Perpetual 36 (116000 / 126000) – 20mm
  • Explorer I 36mm (14270 / 114270) – 20mm
  • Explorer II 16570 – 20mm
  • Submariner 40mm (16610 / 14060 / 14060M) – 20mm
  • GMT-Master II 40mm (16710 / 116710 LN / 116710 BLNR) – 20mm


Omega

  • Speedmaster Professional “Moonwatch” 42mm – 20mm
  • Seamaster Aqua Terra 41mm – 20mm


Hamilton

  • Khaki Field Mechanical 38mm (H69439xx family) – 20mm


Seiko

  • Seiko 5 Sports SRPE5x (“DressKX” – SRPE55 / SRPE57 / SRPE61 etc.) – 20mm
  • SARB033 (and SARB035) – 20mm
  • Presage “Cocktail Time” (common 40–40.5mm models such as SRPB41 / SRPB43 / SRPE43) – 20mm
  • Prospex Alpinist SPB121 (and similar SPB119) – 20mm
  • Seiko 5 Sports SARZ005 – 20mm
  • Seiko 5 (vintage 7009 case family, many references) – 20mm
  • Seiko 5 SRPC61 “Bottlecap” – 20mm

 

Tudor

  • Black Bay Fifty-Eight 39mm – 20mm
  • Ranger 39mm (79950) – 20mm


Oris

  • Divers Sixty-Five 40mm – 20mm


Doxa

  • SUB 300 – 20mm


TAG Heuer

  • Aquaracer 41mm (many Calibre 5 models) – 20mm


Nomos

  • Club Campus 38 – 20mm


Sinn

  • 104 St Sa – 20mm
  • 556 I / 556 A – 20mm


IWC

  • Pilot’s Watch Mark XVIII 40mm – 20mm


Citizen

  • Promaster NY0040 (automatic diver) – 20mm


Timex

  • Weekender / Expedition 38mm (most models) – 20mm


Baltic

  • Aquascaphe 39mm – 20mm