Citizen Calendrier Moonphase BU0088-51H
Ref. BU0088-51H · Blue dial · In production
- Case41.8 mm
- Water res.100 m
- MovementSolar
- CrystalSapphire
Citizen Calendrier Moonphase BU0088-51H size, specs and price at a glance
The Citizen Calendrier Moonphase BU0088-51H is 41.8 mm wide. Citizen does not publish its lug-to-lug length. and ships on a bracelet. Inside is the 8730 solar calibre, water resistant to 100 m. US list price: $725 when we last checked citizenwatch.com (3 Nov 2026).
Strap shopping? See our Citizen lug width chart.
Overview
The Citizen BU0088-51H is a dress watch from the Calendrier collection, part of the Calendrier Moonphase family. It has a 41.8 mm stainless steel case. Citizen lists the dial as blue. Inside is a solar movement (calibre 8730). You also get 100 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 16.7–18.6 cm (6.6–7.3 in), by our Watch Finder sizing guide
- Everyday wear including swimming
- Shirt cuffs and smarter dress codes
- Grab-and-go wear without winding or setting
Strengths
- Sapphire crystal resists scratches
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 41.8 mm | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug-to-lug | Not published by Citizen | |
| Case material | Stainless steel | citizenwatch.com · 3 Nov 2026 |
| Crystal | Sapphire | citizenwatch.com · 3 Nov 2026 |
| Water resistance | 100 m | citizenwatch.com · 3 Nov 2026 |
Dial
| Dial colour | Blue | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Date | Day/Date | citizenwatch.com · 3 Nov 2026 |
| Moon phase | Yes | citizenwatch.com · 3 Nov 2026 |
Movement
| Movement type | Solar | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Calibre | 8730 | citizenwatch.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | citizenwatch.com · 3 Nov 2026 |
|---|
Other
| US list price (MSRP) | $725 | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | citizenwatch.com · 3 Nov 2026 |
| Style (our classification) | Dress | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
More in Calendrier Moonphase
Similar alternatives
Picked with Watch Finder's style tags and sizing.
Questions about the Citizen Calendrier Moonphase BU0088-51H
How big is the Citizen Calendrier Moonphase BU0088-51H?
The case is 41.8 mm wide.
What movement does the Citizen Calendrier Moonphase BU0088-51H use?
It uses the 8730 calibre, a solar movement.
Can I swim with the Citizen Calendrier Moonphase BU0088-51H?
Yes. It is rated to 100 m.
Does the Citizen Calendrier Moonphase BU0088-51H have a date?
Yes, it shows the day and date.
How much is the Citizen Calendrier Moonphase BU0088-51H?
The US list price was $725 on citizenwatch.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Citizen Calendrier Moonphase BU0088-51H fit my wrist?
By our sizing guide it sits best on wrists of about 16.7–18.6 cm (6.6–7.3 in). Use the fit checker on this page to test your own wrist.
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