Citizen Corso BU2070-12L
Ref. BU2070-12L · Blue dial · In production
- Case44 mm
- Water res.100 m
- MovementSolar
- CrystalSapphire
Citizen Corso BU2070-12L size, specs and price at a glance
The Citizen Corso BU2070-12L is 44 mm wide. Citizen does not publish its lug-to-lug length. It takes 22.5 mm straps and ships on a leather strap. Inside is the 8729 solar calibre, water resistant to 100 m. US list price: $395 when we last checked citizenwatch.com (3 Nov 2026).
Strap shopping? See our Citizen lug width chart.
Overview
The Citizen BU2070-12L is a dress watch from the Corso collection. It has a 44 mm stainless steel case. Citizen lists the dial as blue. Inside is a solar movement (calibre 8729). You also get 100 m water resistance, a sapphire crystal and a leather strap.
Who it suits
- Wrists of roughly 17.7–19.6 cm (7.0–7.7 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 | 44 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 |
Movement
| Movement type | Solar | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Calibre | 8729 | citizenwatch.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Leather strap | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 22.5 mm | citizenwatch.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $395 | 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 Corso
Similar alternatives
Picked with Watch Finder's style tags and sizing.
Guides and comparisons
Best Citizen dress watches · Best Citizen watches · Best Citizen watches under $500
Questions about the Citizen Corso BU2070-12L
How big is the Citizen Corso BU2070-12L?
The case is 44 mm wide.
What movement does the Citizen Corso BU2070-12L use?
It uses the 8729 calibre, a solar movement.
Can I swim with the Citizen Corso BU2070-12L?
Yes. It is rated to 100 m.
Does the Citizen Corso BU2070-12L have a date?
Yes, it shows the day and date.
How much is the Citizen Corso BU2070-12L?
The US list price was $395 on citizenwatch.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Citizen Corso BU2070-12L fit my wrist?
By our sizing guide it sits best on wrists of about 17.7–19.6 cm (7.0–7.7 in). Use the fit checker on this page to test your own wrist.
Watch.co is independent and not affiliated with any brand. Brand names are used only to identify products.