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Citizen BN0150 (Promaster Diver) Specifications
| Reference | BN0150-28E, BN0151-09L |
|---|---|
| Case Size | 42mm |
| Lug Width | 20mm |
| Lug-to-Lug | 48mm |
| Thickness | 12mm |
| Case Material | stainless steel |
| Crystal | mineral |
| Water Resistance | 200m |
| Movement | E168 (quartz (Eco-Drive solar)) |
| Bezel | rotating dive bezel |
| Crown | screw-down |
| Case Back | screw-down |
| Price Range | $150-$220 |
Compatible Straps for the Citizen BN0150 (Promaster Diver)
The BN0150 (Promaster Diver) uses a 20mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| NATO/ZULU | Barton | Classic look, easy to swap, fits 20mm lugs | $15–$80 | |
| rubber/silicone | Archer | Water-resistant, comfortable for daily wear | $15–$80 | |
| oyster bracelet | Crown & Buckle | Sporty bracelet, solid end links available | $15–$80 | |
| leather | Bonetto Cinturini | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| canvas | Barton | Casual, durable field-watch aesthetic | $15–$80 |
Replacement Parts for the Citizen BN0150 (Promaster Diver)
| Part | Description | Compatibility Note |
|---|---|---|
| rubber strap (OEM) | Replacement wrist band | 20mm attachment |
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| case back gasket | Seal that maintains water resistance | Required for 200m WR rating |
| bezel insert | Outer ring marking | Matches rotating dive bezel configuration |
Modding the Citizen BN0150 (Promaster Diver)
The BN0150 (Promaster Diver) is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Citizen Promaster BN0150?
The Citizen BN0150 Promaster Diver has a 20mm lug width.
Does the BN0150 need battery changes?
No. The BN0150 uses Citizen's Eco-Drive technology, which charges from any light source. It can run for up to 6 months in complete darkness on a full charge.
Is the BN0150 a good dive watch?
The BN0150 is widely regarded as one of the best value dive watches available. It offers ISO 6425 dive certification, 200m water resistance, Eco-Drive solar, and a screw-down crown for around $200.