KNOPF APEX SEA - LEATHER
KNOPF APEX SEA - LEATHER
Automatic - Diameter 40mm
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SPECIFICATIONS
SPECIFICATIONS
MOVEMENT: Seiko Caliber NH35
POWER RESERVE: 41 Hours
CASE MATERIALS: Solid 316L Stainless Steel
GLASS: Sapphire Crystal
WATER RESISTANCE: 20 ATM/200 Meters
CASE DIAMETER: 40mm
LUG-TO-LUG: 48mm
CASE HEIGHT: 12mm
LUG WIDTH: 20mm
CASE BACK: Exhibition
CROWN: Screw-Down
FREE SHIPPING IN US
FREE SHIPPING IN US
KNOPF offers worldwide shipping on all products.
All orders ship next day. Here are the following delivery times from your shipping date:
USA Standard - FREE (3 to 4 business days)
International Standard - $55 USD (6 to 12 business days)
30-DAY FREE RETURNS
30-DAY FREE RETURNS
When you buy a watch, it should be something you totally love. If you're not happy, then we're not happy. And we'll strive to make it right.
KNOPF offers a no hassle, 30-day return policy, which means you have 30 days after receiving your item to request a return for a full refund or to make an exchange.
3-YEAR WARRANTY
3-YEAR WARRANTY
Every KNOPF watch is warranted for a period of 3 years. It covers material and manufacturing defects existing at the time of delivery.












BREAKING THE RULES
The KNOPF APEX isn’t just a watch—it’s a statement. Designed for those who move between worlds, it effortlessly shifts from poolside relaxation to a night of refined sophistication. Its bold 40mm cushion-style case redefines classic design with a modern edge, perfect for the man who dares to be different.

BUILT IN THE USA
Every KNOPF APEX is crafted with precision and assembled in the USA, fusing American ingenuity with bold design. More than just a timepiece, it’s a statement of craftsmanship and durability—engineered to stand out and built to endure.
IN THE PRESS

POWERED BY PRECISION
At the core of the KNOPF APEX is the rock-solid Seiko Caliber NH35—legendary for its accuracy and toughness. This automatic movement keeps you on time, no matter where the journey takes you. Dependable, precise, and built to last—because your watch should be as unstoppable as you are.

READY FOR ANYTHING
With a rugged 200-meter (660-foot) water resistance, the KNOPF APEX is built to handle whatever comes your way. Swim, snorkel, or take on the unexpected—this timepiece won’t flinch. No limits, no worries—just pure performance wherever adventure calls.

A DIAL LIKE NO OTHER
The KNOPF APEX showcases a handcrafted dial that’s unmistakably ours—bold, refined, and built to stand out. Deep vertical brushing and striking geometric forms create a mesmerizing play of light, turning every glance into an experience. Designed to command attention, this is no ordinary watch—it’s a game changer.

OWN THE NIGHT
No more struggling in the dark—our Super-LumiNova BGW9® glows with an impressive 95% on the Relative Brightness scale, keeping your dial brilliantly visible when the lights go out. Whether it’s midnight or moonlight, the KNOPF APEX is always ready to shine.
TECHNICAL SPECIFICATIONS
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MOVEMENT
MODEL: Seiko Caliber NH35
MANUFACTURE: Made in Japan
TYPE: Automatic, Self-Winding
FREQUENCY: 21,600 VPH
SHOCK SYSTEM: Diashock
ACCURACY: -20 Sec/Day To +40 Sec/Day
JEWELS: 24
POWER RESERVE: 41 Hours
CASE
MATERIALS: Solid 316L Stainless Steel
GLASS: Sapphire Crystal
WATER RESISTANCE: 20 ATM/200 Meters
DIAMETER: 40mm
LUG-TO-LUG: 48mm
HEIGHT: 12mm
LUG WIDTH: 20mm
CASE BACK: Exhibition
CROWN: Screw-Down
DIAL
LUME: Super-LumiNova® BGW9
COLORS: Blue, Silver, White
STRAP
MANUFACTURE: Made in Italy
MATERIALS: Genuine Calfskin Leather, Solid 316L Stainless Steel
WIDTH: 20mm
BUCKLE: Tang
COLORS: Blue, Black, Silver
"KNOPF EMBODIES THE PURSUIT OF ARTISTIC INNOVATION AND ENGINEERING EXCELLENCE."
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FREE SHIPPING
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30-DAY RETURNS
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3-YEAR WARRANTY
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MONTHLY PAYMENTS