The Titanium Field Guide

Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E)

The Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E) is a current-production field watch with a super titanium (dlc) case, finished with duratect dlc (black). At 96 g it sits among the heavier field watches in the guide, and is priced above the $499 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.

All Citizen watchesWatch field watchesUnder $1,000Lightest, rankedOn a titanium braceletSolarPerpetual calendar
Price
≈$760 (¥121,000)
Material
Titanium
Grade / type
Super Titanium (DLC)
Weight
96 g (with bracelet)
Water resistance
200 m
Type
Field
Case diameter
39.0 mm
Thickness
11.4 mm
Origin
Japan
Movement
Eco-Drive radio-controlled (multi-band)
Caliber
Citizen H100
Power reserve
Solar (about 1 year power-save)
Complications
Day-date, Perpetual calendar
Colour
Black
Surface treatment
Duratect DLC (black)
Finish technology
DLC
Caseback
Titanium
Nickel-free
Maker states none
Bracelet / strap
Super Titanium bracelet, three-fold push clasp
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
Black dial
Dial colours
Black
Lume
Luminous hands and markers
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Hardness, Construction
High confidence Verified Sep 2026 Source: Citizen Japan, Promaster AT6085-50E (maker product page)
Facts are free to cite with a link.
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Frequently asked questions

Is the Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E) nickel-free?

On the maker's published specification, no nickel-bearing steel touches the skin: a super titanium (dlc) 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 Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E)?

The Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E) has a super titanium (dlc) case with a titanium caseback. This is confirmed against the maker spec.

What size is the Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E)?

It is 39.0 mm in diameter, 11.4 mm thick, and water resistant to 200 m.

How much does the Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E) weigh?

About 96 g (w/ bracelet).

How much does the Citizen Promaster Land Eco-Drive Radio-Controlled Black (AT6085-50E) cost, and is it available?

It is current-production and lists from $760.

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