Best Watch Straps for the Timex Expedition

The Timex Expedition is the watch that introduced a generation of Americans to the field watch. Founded in Connecticut in 1854 as the Waterbury Clock Company, Timex has been producing reliable, accessible watches for the American market for over 150 years. The Expedition line, introduced in the late 1980s and expanded significantly through the 1990s and 2000s, represents Timex's most direct engagement with the field watch tradition — military-adjacent styling, INDIGLO backlight, durable construction, and a price point that puts a genuinely useful instrument within reach of anyone.

The Expedition Scout 40mm is the current centrepiece of the collection and the most widely owned reference — a 40mm brass case with matte finish, full Arabic numeral dial, arrow second hand, and Indiglo backlight, on a fabric or leather strap. The broader Expedition family includes the Field Post Solar (36mm and 41mm), the Metal Field (39mm and 40mm), the Rugged Core, and the Field Chronograph. Each uses a different case size and potentially a different lug width — confirming your reference before ordering is essential.

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Timex Expedition Strap Sizes — By Reference

The Expedition collection spans two lug widths. Always identify your specific reference before ordering.

Expedition Scout 40mm (T49961, TW4B04700, TW4B14100, TW4B23100 and all Scout 40mm variants) — 20mm lugs. Confirmed by Timex's own authorised retailer specifications ("Case Lug Width: 20mm" and "Strap/Lug Width: 20mm"). 40mm case, 11mm thick, 48-49mm lug-to-lug.

Expedition Field Post Solar 41mm (TW2V03700, TW2Y31600, TW2V95300 and all Field Post Solar 41mm variants) — 20mm lugs. 41mm case.

Expedition Rugged Core 43mm — 20mm lugs. 43mm case.

Expedition Field Chronograph 43mm (T49905) — 20mm lugs. 43mm case, 51mm lug-to-lug.

Expedition Field Post Solar 36mm — 18mm lugs. 36mm case.

Expedition Metal Field 39mm (T49870) — 18mm lugs. 39mm case. Confirmed by Amazon product listing ("18mm genuine leather strap").

Quick reference:

If unsure: measure the gap between the lugs directly. The Scout 40mm is the most searched Expedition and uses 20mm.

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The Expedition Scout — What Timex Ships With

Timex ships the Expedition Scout on either a fabric strap or a leather strap depending on the reference. The fabric strap is typically an olive green single-pass construction — Timex's own validation that single-pass nylon is factory-appropriate for the Scout. The leather strap versions ship on brown genuine leather — Timex's validation of warm brown leather as the primary Expedition leather choice.

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Best Nylon Straps for the Timex Expedition Scout (20mm)

The Expedition Scout's field watch heritage makes single-pass nylon the most appropriate and most authentic primary strap. Timex ships the Scout on fabric as standard — CNS single-pass nylon is the direct upgrade.

Single-pass nylon — Original at 20mm with the CNS solid buckle. The Scout ships on olive green single-pass as its most common factory configuration. Most appropriate colourways:

• Olive / khaki — the most factory-coherent and most specifically field watch-appropriate combination. Following Timex's own factory strap colour choice. The Scout on olive nylon is the most classic American field watch combination available.
• Black — the most minimal. Suits the black dial Scout directly.
• Admiralty Grey — for the most MOD-specification operational combination.
• Black and grey — the most understated collector combination.
• Canvas regimental — for a more characterful military heritage fabric.

Canvas at 20mm in olive — canvas is specifically appropriate for a field watch. The expedition and field watch culture that the Timex Expedition references is fundamentally a canvas culture.

RAF single-pass nylon at 20mm — the most specifically British military heritage fabric for the field watch character.

Marine Nationale elastic at 20mm — the most comfortable Expedition daily option.

Paratrooper elastic at 20mm — the most comfortable daily option.

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Best Leather Straps for the Timex Expedition Scout (20mm)

Timex ships leather Scout variants on brown leather as standard — confirming warm brown as the factory-validated leather choice.

Brown vintage two-stitch calfskin at 20mm — the most characterful Expedition leather combination. The warm brown and two-stitch construction reference the field equipment leather of American military culture — the worn leather of the mid-century field watch era that the Scout's design draws from. Full-grain calfskin develops genuine patina over time in a way the factory leather strap cannot match.

Classic flat calfskin in dark brown at 20mm — the most versatile everyday leather, following Timex's own factory brown leather choice.

Classic flat calfskin in black at 20mm — the most formal Scout combination.

Tan suede at 20mm — the most relaxed leather option. Tan suede references the worn leather of expedition and field equipment in a casual register.

Dark brown suede at 20mm — for smart-casual and everyday contexts.

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Best Rubber Straps for the Timex Expedition Scout (20mm)

The Scout's 50m water resistance makes rubber appropriate for casual active use.

Classic FKM rubber in black at 20mm — the most practical active choice.

Tropical style FKM in black at 20mm — for a more characterful rubber combination.

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Straps for the Expedition Field Post Solar 36mm and Metal Field 39mm (18mm)

The smaller Expedition references at 36mm and 39mm use 18mm lugs. The same strap logic applies — olive nylon for field character, warm brown leather for everyday dress-sport — but at 18mm.

Single-pass nylon — Original at 18mm in olive or black.

Brown vintage two-stitch calfskin at 18mm — warm brown leather on the compact field watch.

Grey perlon at 18mm — refined casual for the slim 36mm case.

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The Timex Cluster

Timex Marlin Automatic — 20mm (Automatic 40mm) and 18mm (Quartz 34mm). The dress watch.

Timex Weekender — 20mm. Fixed bars — single-pass nylon only.

Timex Expedition — 20mm (40-43mm references) and 18mm (36-39mm references). The field watch.

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Recommended Combinations

Most factory-coherent — olive single-pass nylon at 20mm — following Timex's own factory fabric choice for the Scout.

Most characterful leather — brown vintage two-stitch calfskin at 20mm — field equipment leather following Timex's factory colour.

Most specifically expedition — olive canvas at 20mm — canvas on a field watch.

Most relaxed — tan suede at 20mm.

Most comfortable daily — Marine Nationale elastic at 20mm.

36mm / 39mm references — same combinations at 18mm.

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Frequently Asked Questions

What size strap does the Timex Expedition Scout take? 20mm — confirmed by multiple authorised retailer specifications for the Scout 40mm. The Scout 40mm is the most widely owned Expedition reference and uses 20mm lugs consistently across all variants.

What size strap does the Timex Expedition take? It depends on the reference. The Scout 40mm, Field Post Solar 41mm, Rugged Core 43mm, and Field Chronograph 43mm all use 20mm lugs. The Field Post Solar 36mm and Metal Field 39mm use 18mm lugs. Always identify your specific reference before ordering.

What is the best strap for the Timex Expedition Scout? Olive single-pass nylon at 20mm for the most factory-coherent field watch combination — Timex ships the Scout on olive fabric as standard. Brown vintage two-stitch leather for the most characterful everyday combination.

Does the Timex Expedition Scout take the same strap as the Timex Marlin? Yes — both the Scout 40mm and the Marlin Automatic 40mm use 20mm lugs. The same CNS 20mm strap fits both. The character of the correct strap differs significantly — the Marlin suits leather and perlon; the Scout suits nylon and canvas.

CNS straps for the Timex Expedition are available at 18mm (36mm and 39mm references) and 20mm (40mm and above). Standard delivery worldwide. 30-day returns.