2026-05-31
Best Watch Straps for the Squale T-183 Forged Carbon
Best Watch Straps for the Squale T-183 Forged Carbon
The Squale T-183 is unlike any other watch in the Squale range. Where the 1521 is rooted in 1960s professional dive instrument heritage and the Sub-39 is a refined contemporary diver, the T-183 is Squale's statement about the future of dive watch construction. The case is forged carbon — not carbon fibre veneer applied over a metal case, but a structural carbon composite that forms the case itself, with an internal 316L stainless steel cylinder housing the movement and providing the sealed environment for 600m water resistance.
Forged carbon is produced by placing small carbon fibre fragments in moulds with resin, then compressing and curing them at high temperature. The result is a material that is stronger than steel at a fraction of the weight. The mottled pattern created by the random distribution of carbon flakes is unique to each case — no two T-183s have identical patterning. The term "forged" references the manufacturing process rather than the material's provenance.
The T-183 launched at Baselworld 2019 and has been available in three colour variants since: blue, orange, and yellow. Each uses the same forged carbon case and bezel insert, the same Sellita SW200-1 Elaboré automatic movement, and the same 600m water resistance achieved through the internal cylindrical steel case construction. The colour differentiation is in the dial accent, the bezel insert colour detail, and the factory rubberised leather strap — each variant ships with a hand-painted strap where the side trim colour matches the watch's accent colour. It is a coherent, considered product design.
Squale T-183 Strap Size
The Squale T-183 uses 20mm watch straps lugs — confirmed directly by Squale's own official website across all T-183 variants ("Lug width - 20 mm"). 42mm forged carbon case, 15.5mm thick, 49mm lug-to-lug.
T-183 Carbon Blue (T183AFCBL) — 20mm watch straps. T-183 Carbon Orange (T183AFCO) — 20mm watch straps. T-183 Carbon Yellow (T183AFCY) — 20mm watch straps. All T-183 variants — 20mm watch straps.
What Squale Ships With — The Factory Strap Logic
Squale ships the T-183 on a rubberised leather strap — leather with a rubber coating on the exterior — with hand-painted side trim in the watch's accent colour. Blue for the Carbon Blue, orange for the Carbon Orange, yellow for the Carbon Yellow. The rubberised leather is Squale's own material choice that bridges the gap between leather's comfort and rubber's water resistance.
This factory strap is genuinely good. But the 20mm lug width means the full range of CNS 20mm watch straps is available — and the T-183's forged carbon construction suits bold colour combinations that the more conservative 1521 or Sub-39 do not.
The T-183 Colour Logic — Bold Accents, Bold Straps
The T-183's three colour variants each create specific strap opportunities that the monochrome 1521 and Sub-39 do not. Each watch has a bold accent colour built into the dial, hands, and factory strap. The strap choice is either a continuation of that accent or a deliberate contrast.
Carbon Blue: Blue accent on grey carbon. Navy or blue rubber continues the accent. Black rubber creates maximum contrast. Orange rubber creates complementary contrast — blue and orange are opposite temperature colours.
Carbon Orange: Orange accent on grey carbon. Orange rubber continues the accent for a bold, unified combination. Black rubber creates maximum contrast. Blue rubber creates complementary contrast.
Carbon Yellow: Yellow accent on grey carbon. The most visually striking T-183. Black rubber creates maximum contrast and lets the yellow accent speak. Orange rubber creates a warm accent combination.
Best Rubber Straps for the Squale T-183
Rubber is the most practical material for a 600m water-resistant professional dive watch at this price.
Classic FKM rubber in black at 20mm watch straps — the most practical and most versatile T-183 rubber upgrade. Black FKM on the dark forged carbon case creates a unified dark combination that lets the accent colour provide all visual differentiation.
Classic FKM rubber in blue at 20mm watch straps — for the Carbon Blue variant. Blue rubber continues the factory strap's own accent colour in pure FKM rather than rubberised leather.
Classic FKM rubber in orange at 20mm watch straps — for the Carbon Orange variant. Orange rubber is the most coherent colour continuation of the factory strap.
Tropical style FKM in black at 20mm watch straps — the most characterful T-183 rubber combination. The vintage basket-weave texture creates an interesting contrast against the modern forged carbon construction — old material aesthetic on a new material technology.
Orange FKM rubber at 20mm watch straps — for the Carbon Orange variant as a pure FKM alternative to the factory rubberised leather.
Best Nylon Straps for the Squale T-183
The T-183's bold character suits bold nylon combinations. Accent-colour matching is the most coherent approach.
Single-pass nylon — Original at 20mm watch straps with the CNS solid buckle. Most appropriate T-183 colourways:
Carbon Blue: Navy — for tonal coherence with the blue accent. Black — for maximum contrast.
Carbon Orange: Black and orange accent stripe — the most specifically T-183-coherent nylon choice, referencing the orange accent on the strap. Black — for maximum contrast.
Carbon Yellow: Black — the most minimal and most contrast-maximising choice for the yellow dial. Black lets the yellow accent speak without competition.
Marine Nationale elastic at 20mm watch straps — the most comfortable T-183 daily wear option. Navy for the Carbon Blue. Black for the Carbon Orange and Yellow.
Paratrooper elastic at 20mm watch straps — the most comfortable daily option.
Best Leather Straps for the Squale T-183
Squale ships the T-183 on rubberised leather as standard — the brand's own validation that leather is an appropriate material for this watch despite its professional dive specification. The T-183's 15.5mm case thickness is the thickest in the Squale range — moderately padded leather at 3-4mm suits the case's presence proportionally.
Leather watch straps in black at 20mm watch straps — the most minimal leather combination across all T-183 variants. Following the dark base of the factory rubberised leather strap.
Leather watch straps in dark brown at 20mm watch straps — the most characterful everyday leather. Warm brown against the dark forged carbon creates a warm-cool contrast that reveals the T-183's character as a sport-dress piece.
Leather watch straps in navy at 20mm watch straps — for the Carbon Blue variant. Navy leather creates tonal coherence between strap and dial accent.
Leather watch straps in tan suede at 20mm watch straps — the most unexpected and most characterful T-183 combination. Warm tan suede against the dark carbon case creates a striking warm-cool contrast that works particularly well on the Carbon Orange variant — warm orange accent, warm tan leather, dark carbon case.
The Squale Cluster
Squale Sub-37 Legend — 19mm watch straps. The compact vintage diver.
Squale Sub-39 — 22mm watch straps. The contemporary Swiss diver.
Squale 1521 — 20mm watch straps. The flagship professional diver.
Squale T-183 — 20mm watch straps. The forged carbon dive watch.
Recommended Combinations
Most coherent Carbon Blue — navy Marine Nationale elastic or blue FKM rubber at 20mm watch straps.
Most coherent Carbon Orange — orange FKM rubber at 20mm watch straps.
Most striking Carbon Yellow — black FKM rubber at 20mm watch straps — maximum contrast lets the yellow accent speak.
Most characterful leather — leather watch straps in dark brown at 20mm watch straps.
Most unexpected — leather watch straps in tan suede at 20mm watch straps on Carbon Orange — warm on warm on dark.
Most comfortable daily — Marine Nationale elastic at 20mm watch straps.
Most vintage contrast — black tropical FKM at 20mm watch straps — vintage texture on modern material technology.
Frequently Asked Questions
What size strap does the Squale T-183 take? 20mm watch straps — confirmed directly by Squale's own official website across all T-183 variants including Carbon Blue, Carbon Orange, and Carbon Yellow.
What is forged carbon and why does Squale use it on the T-183? Forged carbon is produced by placing small carbon fibre fragments in moulds with resin, then compressing and curing them at high temperature. The result is a material stronger than steel at a fraction of the weight. Each forged carbon case has a unique mottled pattern created by the random distribution of carbon flakes — no two T-183s look exactly the same. Squale uses it on the T-183 to create a technically advanced, lightweight professional dive watch that represents a different direction from the brand's heritage stainless steel range.
How does the T-183 achieve 600m water resistance with a carbon case? The T-183 uses an internal cylindrical 316L stainless steel case that houses the movement and provides the sealed environment for 600m water resistance. The forged carbon forms the external case and bezel, while the internal steel cylinder — with its screw-down crown and caseback — provides the water resistance.
What is the difference between the Squale T-183 and the Squale 1521? The 1521 is Squale's heritage professional diver — stainless steel construction, 500m water resistance, rooted in the brand's 1960s case-making history. The T-183 is Squale's contemporary technical statement — forged carbon construction, 600m water resistance, colour-accented bold design. Both use 20mm watch straps and the same Sellita SW200-1 movement.
Does the Squale T-183 come in any colour other than blue, orange, and yellow? The current T-183 collection consists of three colour variants — Carbon Blue, Carbon Orange, and Carbon Yellow. All share the same forged carbon case architecture and 20mm watch straps lug width.
All CNS straps for the Squale T-183 are available at 20mm watch straps. Standard delivery worldwide. 30-day returns.