The Wristwatch 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. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet. No longer offered new; listed here as an archive reference for the used market.

All Citizen watchesExotic-material dress watchesTitaniumDisplay 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
Caseback
Titanium
Nickel-free
Yes
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?

Yes. Nothing nickel-bearing touches the skin: a super titanium (proprietary) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. 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 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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