The Titanium Field Guide

Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium)

AQ6020-53X Archive · used only

The Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium) is a discontinued dress watch with a super titanium (proprietary) case, finished with duratect surface hardening. At 65 g it sits around the middle for dress watches in the guide, and is priced well above the $643 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet. No longer offered new; listed here as an archive reference for the used market.

All Citizen watchesWatch dress watchesLightweightLightest, rankedOn a titanium braceletSolarCompact (38 mm and under)Display back
Price
$7,400
Material
Titanium
Grade / type
Super Titanium (proprietary)
Weight
65 g (with bracelet)
Water resistance
50 m
Reference
AQ6020-53X
Type
Dress
Case diameter
37.5 mm
Origin
Japan
Movement
Eco-Drive light-powered, annual accuracy +/-1 s/yr
Caliber
Citizen Caliber 0100
Complications
Time only
Colour
Grey
Surface treatment
Duratect surface hardening
Finish technology
Surface hardening
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
Super Titanium bracelet
Matching bracelet
Standard
Crystal
Sapphire, AR coated
Display back
Yes
Dial
Mother-of-pearl
Dial colours
White
Availability
No longer offered
Status
World limited 200, sold out
Not published
Thickness, Lug-to-lug, Power reserve, Hardness, Construction, Lume
High confidence Verified Jun 2026 Source: Citizen (maker)
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Frequently asked questions

Is the Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium) nickel-free?

On the maker's published specification, no nickel-bearing steel touches the skin: a super titanium (proprietary) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.

What is the case material of the Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium)?

The Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium) has a super titanium (proprietary) case with a titanium caseback. This is confirmed against the maker spec.

What size is the Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium)?

It is 37.5 mm in diameter, and water resistant to 50 m.

How much does the Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium) weigh?

About 65 g (w/ bracelet).

How much does the Citizen The Citizen Caliber 0100 Mother-of-Pearl (Super Titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market, and it listed from $7,400 when current.

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