The Wristwatch Field Guide

Aristo Sextant 5H91

The Aristo Sextant 5H91 is a current-production pilot watch with a grey titanium case. It measures 38.4 mm across, 9.6 mm thick, and is water resistant to 100 m. Inside is the Sellita SW215 hand-wound movement. Complications: Time only. Priced from $620 (Approximate; maker lists EUR 575). Brand origin: Germany.

Titanium and ceramic pilot watchesTitaniumUnder $5,000
Reference
–
Type
Pilot
Price
$620 · Approximate; maker lists EUR 575
Case diameter
38.4 mm
Thickness
9.6 mm
Lug-to-lug
–
Water resistance
100 m
Weight
–
Origin
Germany
Movement
Hand-wound
Caliber
Sellita SW215
Power reserve
–
Complications
Time only
Material
Titanium
Grade / type
Titanium
Colour
Grey
Hardness
–
Construction
–
Surface treatment
None
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Leather strap (titanium buckle)
Matching bracelet
–
Crystal
Sapphire
Display back
No
Dial
Observation
Lume
Super-LumiNova
Availability
Offered
Status
Current
Medium confidence Verified Jun 2026 Source: Aristo Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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More titanium and ceramic watches from Aristo

Aristo Navigator 5H86AristoNavigator 5H86$59538.4 mm10.8 mm thickPilotAristo Navigator 5H90 (hand-wound)AristoNavigator 5H90 (hand-wound)$62038.4 mm9.6 mm thickPilotAristo 41 mm Fliegeruhr (Titanium)Aristo41 mm Fliegeruhr (Titanium)$64340.8 mm11.1 mm thickPilotAristo Militaruhr 5H7423 (DuRoWe 7423/2)AristoMilitaruhr 5H7423 (DuRoWe 7423/2)$81040.5 mm13.2 mm thickPilot
AristoFliegeruhr 41 Titanium (5H68TI)$49041.0 mm10.5 mm thickPilot

Frequently asked questions

Is the Aristo Sextant 5H91 nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grey titanium case with a titanium caseback, plus a non-steel crown and strap. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Aristo Sextant 5H91?

The Aristo Sextant 5H91 has a grey titanium case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Aristo Sextant 5H91?

It is 38.4 mm in diameter, 9.6 mm thick, and water resistant to 100 m.

How much does the Aristo Sextant 5H91 cost, and is it available?

It is current-production and lists from $620.

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