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Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Blue Dial Men's Watch BY1010-81L
Citizen

Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Blue Dial Men's Watch BY1010-81L

Model: BY1010-81L

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Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Men's Watch BY1010-81H Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Men's Watch BY1010-81H, reference BY1010-81H $539.00 Citizen Eco-Drive Perpetual Alarm World Time GMT Black Dial Men's Watch AT9039-51L Citizen Eco-Drive Perpetual Alarm World Time GMT Black Dial Men's Watch AT9039-51L, reference AT9039-51L $539.00 Citizen Promaster Analog-Digital Blue Dial Men's Watch JV1006-51L Citizen Promaster Analog-Digital Blue Dial Men's Watch JV1006-51L, reference JV1006-51L $544.00 Citizen Promaster Marine Perpetual Alarm World Time Chronograph Moon Phase Black Dial Men's Watch JV3001-53E Citizen Promaster Marine Perpetual Alarm World Time Chronograph Moon Phase Black Dial Men's Watch JV3001-53E, reference JV3001-53E $549.00

Description

Citizen BY1010-81L details

Silver-tone titanium case and bracelet. Fixed silver-tone titanium bezel. Blue dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 4 o'clock position. Citizen Caliber H874 eco-drive movement. Scratch resistant sapphire crystal. Solid case back. Round case shape, case size: 43 mm, case thickness: 10.9 mm. Band width: 22 mm. Fold over clasp with a safety release. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, moonphase, world time in 24 time zones, radio control, perpetual calendar. Tsuki-yomi A-t Series. Sport watch style. Watch label: Japan Movt. Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Blue Dial Men's Watch BY1010-81L.

The lowest new USD price we found for the Citizen BY1010-81L is $539.00 at Jomashop, checked 1 Nov 2026, 13:35 UTC, across 1 retailer in stock when checked. The lowest price recorded in the last 30 days is $539.00, at Jomashop on 20 Oct 2026, 03:34 UTC.

Specifications

Case diameter
43
Case material
Titanium
Case thickness
10.9 mm
Band width
22 mm
Bracelet
Titanium
Crystal
Scratch Resistant Sapphire
Clasp
Fold Over with Safety Release
Water resistance
100 meters / 330 feet
Dial
Blue
Calendar
Date display at the 4 o'clock position
Functions
Date, Hour, Minute, Second, Moonphase, World Time in 24 Time Zones, Radio Control, Perpetual Calendar
Hands
Silver-tone
Case back
Solid
Crown
Pull / Push
Bezel color
Silver-tone
Bezel
Fixed
Movement
Citizen Caliber H874

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Compare current offers

2 current offers
Jomashop$539.00
Lowest price

In stock

$539.00

Shipping not supplied · Checked 1 Nov 2026, 13:35 UTC

Shop at Jomashop →
Creation Watches$598.00

Price history

Lowest observed$539.00
Observed price history for Citizen Tsuki-yomi A-T Eco-Drive Perpetual World Time Blue Dial Men's Watch BY1010-81L Step chart of 14 validated retailer price observations. Each listing's last observed price is carried forward from its first observation to the chart's end. Dots mark actual observations. The horizontal axis is observation date and the vertical axis is listed price in USD. $620.00$600.00$580.00$560.00$540.00$520.00 Sep 12Sep 29Oct 16Nov 3 Creation Watches: $581.00, 21 Sept 2026, 02:18 UTCCreation Watches: $598.00, 28 Sept 2026, 00:48 UTCCreation Watches: $598.00, 4 Oct 2026, 00:04 UTCCreation Watches: $598.00, 9 Oct 2026, 23:33 UTCCreation Watches: $598.00, 15 Oct 2026, 23:35 UTCCreation Watches: $598.00, 22 Oct 2026, 06:31 UTCCreation Watches: $598.00, 28 Oct 2026, 05:34 UTCCreation Watches: $598.00, 3 Nov 2026, 04:34 UTCJomashop: $539.00, 12 Sept 2026, 10:32 UTCJomashop: $539.00, 15 Sept 2026, 10:52 UTCJomashop: $539.00, 18 Sept 2026, 11:08 UTCJomashop: $539.00, 21 Sept 2026, 11:18 UTCJomashop: $539.00, 20 Oct 2026, 03:34 UTCJomashop: $539.00, 1 Nov 2026, 13:35 UTC Observation date Listed price (USD)
  • Creation Watches$598.00 · 8 observations
  • Jomashop$539.00 · 6 observations

Price comparison at a glance

Lowest current listing
$539.00
Jomashop · In stock
Checked 1 Nov 2026, 13:35 UTC
Retailers compared
1
Compared with the next retailer
No other recent in-stock offer
Latest retailer check
1 Nov 2026, 13:35 UTC

Lowest recorded price in the last 30 days: $539.00 at Jomashop on 20 Oct 2026, 03:34 UTC. Prices recorded on 7 days, from 9 Oct 2026, 23:33 UTC to 3 Nov 2026, 04:34 UTC.

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