Citizen Promaster Dive "Ecozilla" BJ8050-08E
Ref. BJ8050-08E · Black dial · In production
- Case48 mm
- Water res.300 m
- MovementSolar
- CrystalMineral
Citizen Promaster Dive "Ecozilla" BJ8050-08E size, specs and price at a glance
The Citizen Promaster Dive "Ecozilla" BJ8050-08E is 48 mm wide. Citizen does not publish its lug-to-lug length. It takes 29 mm straps and ships on a polyurethane strap. Inside is the B873 solar calibre, water resistant to 300 m. US list price: $625 when we last checked citizenwatch.com (3 Nov 2026).
Strap shopping? See our Citizen lug width chart.
Overview
The Citizen BJ8050-08E is a diver watch from the Promaster collection, part of the Promaster Dive "Ecozilla" family. It has a 48 mm stainless steel case. Citizen lists the dial as black. Inside is a solar movement (calibre B873). You also get 300 m water resistance, a mineral crystal and a polyurethane strap.
Who it suits
- Wrists of roughly 19.4–21.3 cm (7.6–8.4 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- Grab-and-go wear without winding or setting
Strengths
- 300 m water resistance
Trade-offs
- Mineral crystal scratches more easily than sapphire
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 48 mm | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug-to-lug | Not published by Citizen | |
| Case material | Stainless steel | citizenwatch.com · 3 Nov 2026 |
| Crystal | Mineral | citizenwatch.com · 3 Nov 2026 |
| Water resistance | 300 m | citizenwatch.com · 3 Nov 2026 |
Dial
| Dial colour | Black | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Date | Date | citizenwatch.com · 3 Nov 2026 |
Movement
| Movement type | Solar | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Calibre | B873 | citizenwatch.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Polyurethane strap | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 29 mm | citizenwatch.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $625 | citizenwatch.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | citizenwatch.com · 3 Nov 2026 |
| Style (our classification) | Diver | 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.
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Guides and comparisons
Questions about the Citizen Promaster Dive "Ecozilla" BJ8050-08E
How big is the Citizen Promaster Dive "Ecozilla" BJ8050-08E?
The case is 48 mm wide.
What movement does the Citizen Promaster Dive "Ecozilla" BJ8050-08E use?
It uses the B873 calibre, a solar movement.
Can I swim with the Citizen Promaster Dive "Ecozilla" BJ8050-08E?
Yes. It is rated to 300 m.
Does the Citizen Promaster Dive "Ecozilla" BJ8050-08E have a date?
Yes, it shows the date.
How much is the Citizen Promaster Dive "Ecozilla" BJ8050-08E?
The US list price was $625 on citizenwatch.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Citizen Promaster Dive "Ecozilla" BJ8050-08E fit my wrist?
By our sizing guide it sits best on wrists of about 19.4–21.3 cm (7.6–8.4 in). Use the fit checker on this page to test your own wrist.
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