Longines Spirit Pilot Flyback L3.721.4.53.2
Ref. L3.721.4.53.2 · Black matt dial · In production · Longines label: Unisex
- Case39.5 mm
- Thick13.4 mm
- Lug-to-lug47.4 mm
- Water res.100 m
- MovementManual-wind
- CrystalSapphire
Longines Spirit Pilot Flyback L3.721.4.53.2 size, specs and price at a glance
The Longines Spirit Pilot Flyback L3.721.4.53.2 is 39.5 mm wide and 13.4 mm thick, with a lug-to-lug length of 47.4 mm. It takes 20 mm straps and ships on a leather strap. Inside is the L792.4 manual-wind calibre, water resistant to 100 m. US list price: $5,350 when we last checked longines.com (3 Nov 2026).
Strap shopping? See our Longines lug width chart.
Overview
The Longines L3.721.4.53.2 is a chronograph watch from the Spirit collection, part of the Spirit Pilot Flyback family. It has a 39.5 mm stainless steel case, 13.4 mm thick, 47.4 mm from lug to lug. Longines lists the dial as black matt. Inside is a manual-wind movement (calibre L792.4). You also get 100 m water resistance, a sapphire crystal and a leather strap.
Who it suits
- Wrists of roughly 16.0–17.7 cm (6.3–7.0 in), by our Watch Finder sizing guide
- Everyday wear including swimming
Strengths
- Sapphire crystal resists scratches
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 39.5 mm | longines.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 13.4 mm | longines.com · 3 Nov 2026 |
| Lug-to-lug | 47.4 mm | longines.com · 3 Nov 2026 |
| Case material | Stainless steel | longines.com · 3 Nov 2026 |
| Crystal | Sapphire | longines.com · 3 Nov 2026 |
| Bezel | Bidirectional rotating | longines.com · 3 Nov 2026 |
| Water resistance | 100 m | longines.com · 3 Nov 2026 |
| Weight | 103 g | longines.com · 3 Nov 2026 |
Dial
| Dial colour | Black matt | longines.com · 3 Nov 2026 |
|---|---|---|
| Chronograph | Yes | longines.com · 3 Nov 2026 |
Movement
| Movement type | Manual-wind | longines.com · 3 Nov 2026 |
|---|---|---|
| Calibre | L792.4 | longines.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Leather strap | longines.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 20 mm | longines.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $5,350 | longines.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | longines.com · 3 Nov 2026 |
| Style (our classification) | Chronograph | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Longines Spirit Pilot Flyback L3.721.4.53.2
How big is the Longines Spirit Pilot Flyback L3.721.4.53.2?
The case is 39.5 mm wide, 13.4 mm thick and 47.4 mm from lug to lug.
What movement does the Longines Spirit Pilot Flyback L3.721.4.53.2 use?
It uses the L792.4 calibre, a manual-wind movement.
Can I swim with the Longines Spirit Pilot Flyback L3.721.4.53.2?
Yes. It is rated to 100 m.
How much is the Longines Spirit Pilot Flyback L3.721.4.53.2?
The US list price was $5,350 on longines.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Longines Spirit Pilot Flyback L3.721.4.53.2 fit my wrist?
By our sizing guide it sits best on wrists of about 16.0–17.7 cm (6.3–7.0 in). Use the fit checker on this page to test your own wrist.
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