Citizen Attesa Tsuki-Yomi A-T (Super Titanium)

The Citizen Attesa Tsuki-Yomi A-T (Super Titanium) is a current-production watch with a super titanium (proprietary) case, finished with duratect surface hardening. At 105 g it sits around the middle for watches in the guide, and is priced well under the $1,500 median across the guide. It ships on a matching exotic-material bracelet rather than a strap.

4 official photos · reader photos welcome

Price

$875

Material

Titanium

Grade / type

Super Titanium (proprietary)

Weight

105 g (with bracelet)

Water resistance

100 m

Reference

BY1010-57H

Type

Other

Case diameter

43.0 mm

Origin

Japan

Movement

Eco-Drive radio-controlled, moonphase, world time

Caliber

Citizen H874

Complications

Day-date, Perpetual calendar, Worldtimer

Colour

Grey

Surface treatment

Duratect surface hardening

Caseback

Titanium

Nickel-free

Not verified (clasp or buckle material not confirmed)

Bracelet / strap

Super Titanium bracelet

Matching bracelet

Standard

Crystal

Sapphire

Display back

No

Dial

Grey (silver-tone accents)

Dial colours

Silver Grey

Availability

Offered

Status

Current

Not published

Thickness, Lug-to-lug, Power reserve, Hardness, Construction, Lume

High confidence Verified Jul 2026 Source: Citizen (maker)

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