Seamaster Diver 300M 42mm Rubber Strap – Black & White
Seamaster Diver 300M 42mm Rubber Strap – Black & White
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Authenticity Guaranteed
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Our specialists are among the industry’s most experienced and thoroughly trained. We also source all products exclusively from reliable, trusted suppliers.
Shipping, Delivery & Exchanges
Shipping, Delivery & Exchanges
Enjoy free shipping on all orders, with fast and secure tracked delivery.
- Free Shipping on All Orders
- Estimated Delivery: 5–12 Business Days
- Fast & Secure Tracked Shipping
Every order is carefully prepared and shipped with trusted carriers to ensure a smooth and reliable delivery experience.
Not completely satisfied with your purchase? You may return or exchange any eligible, full-priced item within 14 days of delivery.
Final sale items are not eligible for returns or exchanges and will be clearly identified on the product page. Please review our Return Policy for full details.
DESCRIPTION
Watches — watch
Seamaster Diver 300M 42mm Rubber Strap – Black & White
One case, two ways to wear it — the steel, the sapphire crystal and the screwed-down crown stay the same either way.

Stainless Steel
Stainless steel takes ordinary knocks and keeps the case looking deliberate rather than used.
Sapphire Crystal
Sapphire crystal holds a clear read long after softer glass would have gone cloudy.
Anti-magnetic
Anti-magnetic inside, so the electronics you live among are no longer a factor.
Steel and sapphire, doing the hard part
Two materials carry this watch: stainless steel for the case, which keeps its shape and its finish, and sapphire crystal over the dial, which keeps the read clean. Neither is decorative. The crown screws down as well, so the case closes with a turn rather than a shove.


Noticed on the hand, not announced
Steel at the wrist does something to how a man is read, and it happens before he has said much. Someone clocks it while you are reaching across a table or holding a door, and their sense of you settles a little higher. Nobody mentions it, and that is the point.
What the photographs leave out
The moment it goes on the wrist
Putting it on is a short ritual, and the weight of steel makes it feel like the start of something rather than an afterthought.
You will catch your own eye on it in a lift mirror and feel better about the hour ahead. That is the quiet dividend of wearing something you actually like.
What you are getting
- Crystal
- Sapphire Crystal
- Features
- Anti-magnetic
- Crown
- Screw-in crown
- Colours
- Black, White
Colourways
The same case, read two different ways
The case and the build do not change; what changes is how loudly the watch speaks from across a table. Pick the one that goes with what is already in your wardrobe, and it will leave the box far more often.


Why it costs what it costs
We hold this stock ourselves and send it out from our own shelves. No boutique floor to pay for, nobody taking a cut in between — one step from our rack to your door instead of four. The piece is not cheaper; the route is shorter.
Store offer
Two pieces get you a cap. Three get you a cap and a wallet.
It runs across the whole store, so the pieces do not have to match.
- Any two items — a cap goes in the box, free.
- Any three or more — the cap plus a wallet.
The shape of this batch
This went out as a short series, and a restock is not guaranteed — what follows it tends to differ in the details.
Pick yours above.

Italian Heritage Since 1975
Founded in Italy in 1975, Arkon began as a family business driven by a passion for timeless men’s fashion and refined craftsmanship. What started as a small Italian house has grown into a recognized name in contemporary luxury, bringing together tradition, sophistication, and modern design.
Today, Arkon carries its heritage forward, creating a vision of menswear for those who believe true style is timeless.