The Titanium Field Guide

Citizen xC Hikari Collection (ES9490-52D)

The Citizen xC Hikari Collection (ES9490-52D) is a current-production dress watch with a Titanium (Super Titanium, Duratect Eternal Platinum) case, finished with duratect eternal platinum (super titanium surface treatment). Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium dress watchesUnder 11 mm thickOn a titanium braceletSolarCompact (38 mm and under)
Titanium
Titanium (Super Titanium, Duratect Eternal Platinum)
Water resistance
50 m
Nickel-free
Yes
Type
Dress
Price
– · JPY 99,000, JDM
Case diameter
27.0 mm
Thickness
8.2 mm
Origin
Japan
Movement
Eco-Drive radio-controlled
Caliber
H060
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Surface hardening
Surface treatment
Duratect Eternal Platinum (Super Titanium surface treatment)
Caseback
Titanium
Bracelet / strap
Super Titanium bracelet
Titanium bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
White mother-of-pearl
Dial colours
White
Availability
Offered
Status
Current (2025)
Not published
Reference, Lug-to-lug, Weight, Power reserve, Lume Help verify
Medium confidence Verified Jul 2026 Source: Citizen Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the Citizen xC Hikari Collection (ES9490-52D) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Titanium (Super Titanium, Duratect Eternal Platinum) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is the Citizen xC Hikari Collection (ES9490-52D)?

The Citizen xC Hikari Collection (ES9490-52D) has a Titanium (Super Titanium, Duratect Eternal Platinum) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Citizen xC Hikari Collection (ES9490-52D)?

It is 27.0 mm in diameter, 8.2 mm thick, and water resistant to 50 m.

How much does the Citizen xC Hikari Collection (ES9490-52D) cost, and is it available?

It is current-production; the guide does not list a price for it.

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