Quick Verdict
If the requirement is a dive watch that is simply always right and never needs attention, the specification here is hard to beat: ISO 6425 certification, 200 m, and a solar movement Citizen rates at ±15 seconds per month. It is the least romantic watch in this database and possibly the most useful.
At a Glance
- Street price
- $225
- Movement type
- Solar
- Power reserve
- Approximately 6 months from a full charge
- Case diameter
- 44 mm
- Lug-to-lug
- 48 mm
- Crystal
- Mineral
- Water resistance
- 200 m (656 ft)
Design
A conventional 44 mm diver with a broad rotating bezel and high-contrast dial. Citizen prioritises legibility over subtlety, and the yellow and orange references are aimed squarely at actual underwater use rather than at a desk.
Movement
The Eco-Drive E168 converts any light source into stored energy, running roughly six months in darkness once fully charged. Citizen publishes ±15 seconds per month — roughly thirty times tighter than the mechanical alternatives at this price.
Build Quality
Screw-down crown, screwed caseback and ISO 6425 certification, which covers pressure, thermal shock, magnetic and shock resistance rather than a depth number alone. The crystal is mineral, which is the main concession.
Dial
Large applied markers with heavy luminous fill and a date at three. Contrast is deliberately extreme; this is a dial designed to be read at depth rather than admired across a table.
Bracelet & Strap
The polyurethane strap is durable, easy to rinse and light, which makes sense for the intended use. It is also the component that makes the watch look like equipment. A 20 mm lug width means alternatives are easy to find.
Comfort & Wearability
At 122 g it is significantly lighter than a steel-braceleted diver, but 44 mm with a 48 mm lug-to-lug still requires a wrist of about 6.75 inches or more to sit properly.
Accuracy
Citizen's specification of ±15 seconds per month puts this in a different category from anything mechanical here. There is no winding, no battery change and no service interval in the conventional sense.
What we like
What we like
- ISO 6425 certified to 200 m
- Eco-Drive means no battery changes and no winding
- Quartz accuracy of ±15 seconds per month against ±15 seconds a day for an automatic
- Light for a diver at 122 g on the polyurethane strap
What we don't like
- Mineral crystal rather than sapphire
- 44 mm with a 48 mm span needs a larger wrist
- The polyurethane strap is functional rather than refined
Who Should Buy It?
Anyone who wants a certified dive watch that stays accurate without maintenance, and anyone who dislikes resetting a watch they wear occasionally.
Who Should Skip It?
Skip it if you want the feel of a mechanical movement, or if your wrist is under 6.5 inches. Skip it too if sapphire is a requirement.
Best Alternatives
Three watches worth weighing up before you commit.
How It Compares
Citizen Promaster Diver BN0150
3 categories won
Orient Kamasu
3 categories won
- Street price
- $225Winner
- $235
- Movement type
- Solar
- Automatic
- Caliber
- E168
- F6922
- Power reserve
- Approximately 6 months from a full charge
- 40 hours
- Stated accuracy
- ±15 seconds per month (Citizen specification)
- -15 to +25 seconds per day (Orient specification)
- Case diameter
- 44 mm
- 41.8 mm
- Case thickness
- 12.5 mmWinner
- 12.8 mm
- Lug-to-lug
- 48 mm
- 47 mmWinner
- Crystal
- Mineral
- SapphireWinner
- Water resistance
- 200 m (656 ft)Even
- 200 m (656 ft)Even
- Bracelet / strap
- Black polyurethane strap
- Three-link bracelet with solid end links
- Weight
- 122 gWinner
- 160 g
- Style
- Diver · Sport
- Diver · Sport · Everyday
- Recommended wrist
- Medium · Large
- Medium · Large
- Selection Score
- 87 / 100
- 88 / 100Winner
Final Verdict
The most practical dive watch in this price range, and the one that asks least of its owner. What it does not offer is any of the appeal that makes people buy mechanical watches in the first place.
Specifications
- Brand
- Citizen
- Model
- Promaster Diver BN0150
- Reference
- BN0150-28E
- Collection
- Promaster
- Street price
- $225
- MSRP
- $395
- Movement type
- Solar
- Movement
- Citizen Eco-Drive E168
- Caliber
- E168
- Power reserve
- Approximately 6 months from a full charge
- Stated accuracy
- ±15 seconds per month (Citizen specification)
- Balance spring
- Not published
- Case diameter
- 44 mm
- Case thickness
- 12.5 mm
- Lug-to-lug
- 48 mm
- Lug width
- 20 mm
- Weight
- 122 g
- Case material
- Stainless steel
- Crystal
- Mineral
- Water resistance
- 200 m (656 ft)
- Dial colours
- Black
- Bracelet / strap
- Black polyurethane strap
- Bracelet material
- Polyurethane
- Clasp
- Pin buckle
- Date
- Yes
- GMT
- No
- Chronograph
- No
- Style
- Diver · Sport
- Recommended wrist
- Medium · Large
- Country of origin
- Japan
- Released
- 2016
- Selection Score
- 87 / 100
Score Breakdown
- 25%23.3
Value
- 20%16.8
Movement
- 15%12.9
Build Quality
- 15%12.3
Design
- 10%8.0
Wearability
- 10%9.0
Features
- 5%4.3
Brand & Ownership
Seven pillars, each rated 0–10 and weighted as shown. The total is the sum of the weighted ratings — the headline number can never disagree with its own breakdown.
Ratings are demo data pending editorial review.
Where to Buy
Selection Time is reader-supported. If you buy through a link on this page we may earn a commission. This never affects our scores or what we recommend.
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Amazon
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Official store
Not published
Frequently Asked Questions
Does an Eco-Drive watch ever need a battery?
Not a conventional one. The rechargeable cell that stores solar energy is rated for many years and is replaced only at a service interval, not annually.
What happens if it is kept in a drawer?
Citizen rates the E168 at roughly six months of running from a full charge in complete darkness, after which it stops and restarts once exposed to light.
