The Wristwatch Field Guide

Citizen Slim Super Titanium (AW1900 series)

The Citizen Slim Super Titanium (AW1900 series) is a current-production dress watch with a grey super titanium (proprietary) case, finished with duratect. It measures 40.0 mm across, 78 g, and is water resistant to 50 m. Inside is the Caliber J810 (240-day reserve) eco-drive (solar quartz) movement, with 240 days power reserve. Complications: Date. Brand origin: Japan.

Titanium and ceramic dress watchesTitanium
Reference
Type
Dress
Price
– · MSRP pending
Case diameter
40.0 mm
Thickness
Lug-to-lug
Water resistance
50 m
Weight
78 g (with bracelet)
Origin
Japan
Movement
Eco-Drive (solar quartz)
Caliber
Caliber J810 (240-day reserve)
Power reserve
240 days
Complications
Date
Material
Titanium
Grade / type
Super Titanium (proprietary)
Colour
Grey
Hardness
Construction
Surface treatment
Duratect
Caseback
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Super Titanium
Matching bracelet
Crystal
Sapphire
Display back
No
Dial
Multiple
Lume
Yes
Availability
Offered
Status
Current (2026 release)
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Frequently asked questions

What is the case material of the Citizen Slim Super Titanium (AW1900 series)?

The Citizen Slim Super Titanium (AW1900 series) has a grey super titanium (proprietary) case. This is confirmed against the maker spec.

What size is the Citizen Slim Super Titanium (AW1900 series)?

It is 40.0 mm in diameter, and water resistant to 50 m.

How much does the Citizen Slim Super Titanium (AW1900 series) weigh?

About 78 g (w/ bracelet).

How much does the Citizen Slim Super Titanium (AW1900 series) cost, and is it available?

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

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