The Titanium Field Guide

Zelos Aurora Moonphase

The Zelos Aurora Moonphase is a 39 mm Grade 2 titanium field watch with a Sellita SW288 automatic movement. The case is surface-hardened, which guards against the scuffs bare titanium picks up.

All Zelos watchesField watchesUnder $1,000MicrobrandOn a titanium braceletMicro-adjust bracelet
Price
$899
Material
Titanium
Grade / type
Grade 2 titanium (1200HV hardened coating)
Water resistance
200 m
Type
Field
Case diameter
39.0 mm
Thickness
12.5 mm
Lug-to-lug
46 mm
Origin
Singapore
Movement
Automatic with moonphase
Caliber
Sellita SW288
Complications
Time only
Colour
Grey
Surface treatment
1200HV hardened coating
Finish technology
Surface hardening
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium bracelet with quick-adjust clasp
Matching bracelet
Standard
Micro-adjust clasp
Yes
Crystal
Flat sapphire with inner AR coating
Display back
No
Dial
Eclipse grey, meteorite, or aventurine
Dial colours
Grey Meteorite
Lume
Super-LumiNova C3
Availability
Offered
Status
Current (between batches)
Not published
Reference, Weight, Power reserve, Hardness, Construction, Caseback
High confidence Verified Oct 2026 Source: Zelos (Aurora Moonphase Eclipse Grey) / Zelos (Aurora Moonphase Meteorite)
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Frequently asked questions

What grade of titanium is the Zelos Aurora Moonphase?

Grade 2, as stated by the maker.

What size is the Zelos Aurora Moonphase?

The case is 39 mm across, 12.5 mm thick and 46 mm from lug to lug. It is water resistant to 200 m.

How much does the Zelos Aurora Moonphase cost, and is it available?

It is in production, at a list price of $899.

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