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Tsuki-yomi Atomic Timekeeping Eco-Drive 43mm titanium watch with a purple dial on a bracelet.
Tsuki-yomi Atomic Timekeeping Eco-Drive 43mm watch with purple dial on stainless steel bracelet
Side profile of Tsuki-yomi Atomic Timekeeping Eco-Drive 43mm watch on a metal bracelet
Two stainless steel watches with dark dials rest on a colorful mirrored display
White lid and black textured base watch box with the CITIZEN logo on top.

Authorized Dealer. Citizen official 5 year warranty included

Citizen

Tsuki-yomi Atomic Timekeeping Eco-Drive 43mm - Purple on Bracelet

$716$895
Citizen
$716$895

Tsuki-yomi Atomic Timekeeping Eco-Drive 43mm - Purple on Bracelet

The Details

  • 43 mm

    Case Size

  • 100m

    Water Resistance

  • 22 mm

    Lug Width

  • Eco-Drive - solar

    Movement

Overview

Case Size

43 mm

Collection

Tsuki-yomi A-T

Style

Chronograph

Lug Width

22 mm

Movement

Quartz Solar

Reference

BY1010-81Z

Release Date

2025-06-13

Water Resistance

100m

Case

Caseback

Screwed

Case Material

Super Titanium

Clasp / Buckle

Fold over clasp with push buttons

Crystal

Sapphire with superior scratch resistance and hardness

Dial Color

Purple

Dial Features

deep purple dial, 3 subdials and date window at 4 o'clock

Strap / Bracelet Material

Super titanium bracelet

Movement

Caliber

H874

Functions

Moonphase, world time in 24 time zones, radio control, perpetual calendar, day-date, atomic timekeeping, perpetual calendar

Movement

Eco-Drive - solar

Complication

Chronograph, Date

Why Buy From Teddy?

All watches ship free within the U.S.

Manufacturer's warranty on all orders

About Citizen

Better Starts Now

Founded in 1918, Citizen is one of the largest manufacturers of watches in the world and also one of few brands with a vertically-integrated production model, designing and manufacturing every component of all of the watches in Citizen’s vast offering. While perhaps best known for inexpensive, solar-powered watches from the Eco-Drive collection, Citizen also has a powerful enthusiast following largely associated with the Promaster collection of divers and tool watches best exemplified by the Aqualand diver’s watch.

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Citizen
Citizen