William Wood · Microbrand · United Kingdom
William Wood Triumph
- Sellita SW510
- 41 mm × 16.5 mm
- Sapphire crystal
- 100 m water resistance
Where to buy
- William Wood (Heat)Worldwide
- William Wood (Oxygen)Worldwide
- William Wood (Fuel)Worldwide
- William Wood (Vintage)Worldwide
- William Wood (Custodian)Worldwide
Movement
- Caliber
- Sellita SW510
- Type
- Automatic
- Tier
- Upper
- Complications
- Small seconds, Date, Chronograph
- Frequency
- 28,800 bph
- Power reserve
- 62 h
- Hacking
- Yes
- Accuracy (factory)
- —
Case
- Diameter
- 41 mm
- Lug to lug
- 49.5 mm
- Thickness
- 16.5 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 100 m
- Crown
- —
- Case back
- —
- Bezel
- Unidirectional, aluminum insert
- Finishing
- Brushed sides and lugs
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- Super-LumiNova C3
Bracelet
- Bracelet
- Not offered
Straps
- Strap 1
- Other, quick release, Upcycled fire hose on a silicone back, in several colours
- Strap 2
- Other, quick release, Fire gear strap made from upcycled firefighter kit fabric
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
Variants
| Name | Dial | Bezel | Status |
|---|---|---|---|
| Heat | black with cream sub-dials | red aluminium | Pre-order |
| Oxygen | blue with cream sub-dials | blue aluminium | In production |
| Fuel | cream | black with gold-tone markers | Pre-order |
| Vintage | champagne diamond-cut | gold-tone with black markers | Limited |
| Custodian | metallic olive green with etched chain pattern | gold-tone | Limited |
About this entry
80% of key specs known. Missing: weight, hardening, crown.
Chronograph collection (store collection "Triumph Collection"); Heat, Oxygen and Fuel are the "elements" editions. Brand specs: 41mm, 16mm thick or 16.5mm including the glass, 49.5mm lug to lug, 20mm lugs, 316L steel with brushed sides and lugs, unidirectional aluminium bezel with a strong click, brass chronograph pushers, Swiss Sellita SW510 automatic chronograph with the 30-minute counter at 3, small seconds at 9 and date at 6 (the layout of Sellita's SW510 BH execution; the brand only says SW510), cut-out dial over a C3 Super-LumiNova layer (vintage-tone lume on Vintage and Custodian), blue-tinted AR sapphire with a low flush curve, 100m, crown with a brass inset from a 100-year-old British firefighter's helmet. The pages quote a 48h power reserve against Sellita's 56h minimum / 62h typical, and 25 jewels on the elements editions against 27 on Vintage and Custodian (Sellita: 27). Vintage and Custodian have a gold-plated case and gold-tone bezel (the base metal under the plating is not stated) and are called limited editions without a number; Vintage showed 9 pieces left on pre-order for March 2027, and Custodian was sold out. Heat and Fuel were on pre-order for dispatch 18 February 2027. Each listing offers fire-hose or fire-gear straps at the same price. No weight published.
Last verified: 2026-10-31. Edit or correct this entry.
Sources
- William Wood Watches, Heat Edition product page and store data (.json) accessed 2026-10-31
- William Wood Watches, Oxygen Edition product page and store data (.json) accessed 2026-10-31
- William Wood Watches, Fuel Edition product page and store data (.json) accessed 2026-10-31
- William Wood Watches, Vintage Edition product page and store data (.json) accessed 2026-10-31
- William Wood Watches, (New) Custodian Edition product page and store data (.json) accessed 2026-10-31
- William Wood Watches, FAQs (bracelets discontinued, limited editions) accessed 2026-10-31




