Oceaneva Mens Tenuis Automatic Calendar Thin Watch Brown DialDiscover Elegance and Adventure with the Oceaneva Tenuis Thin Japan Automatic Miyota 26 jewel Calendar Movement Watch in Brown The Definitive Mens Dress Watch If you purchased our first Tenuis series then you already know the quality you are receiving. Refine your look and channel a spirit of discovery with the exceptional Tenuis Thin Japan Automatic Miyota 26 jewel calendar Movement Watch with Brown Dial. Expertly constructed from premium 316L

Discover Elegance and Adventure with the Oceaneva™ Tenuis Thin Japan Automatic Miyota 26 jewel Calendar Movement Watch in Brown

The Definitive Men’s Dress Watch

If you purchased our first Tenuis series then you already know the quality you are receiving.

Refine your look and channel a spirit of discovery with the exceptional Tenuis Thin Japan Automatic Miyota 26 jewel calendar Movement Watch with Brown Dial. Expertly constructed from premium 316L stainless steel, this refined timepiece captures both sophistication and a drive for achievement. Every aspect of this limited release has been thoughtfully designed, and its standout quality is the superb fit and finish. With a design grounded in classic style, it delivers the unmistakable presence of a true luxury watch—whether in hand or on wrist.

Exceptional Craft, Made for the Few

Limited to just 50 pieces per color, this remarkable watch embodies exclusivity and precision. Built from premium 316L stainless steel, its 11.8mm-thick case offers an ideal harmony of strength and slim elegance. The dial showcases horizontal ridges and a hydraulic-embossed sunray texture for a refined aesthetic. Its vivid Brown face pairs seamlessly with a stainless steel bracelet featuring polished center links, merging durability with polish. A 316L Stainless steel bracelet with polished center links, polished stainless crown, and a Luxury brushed stainless bezel complete the look.

Engineered for longevity, it’s protected by a premium anti-reflective, nearly scratch-proof sapphire crystal. Hands and hour markers use Upgraded BGW9 Swiss luminova for standout legibility, and a screw-down crown secures 100M water resistance—exceptional performance for a dress watch of this stature. With grade A fit and finish, this piece is crafted for those who prize rarity and immaculate design.

 

Model # TN9120BRST

Dial:  Brown Hydraulic Press Embossed Sunray

Key Features that Redefine Luxury Dress Watches

Superior Specifications for Tenuis

• 100m Water Resistance with Screw Down Crown
• Japan Miyota 9120 Premium High Beat (28800 bph) Automatic 26 Jewel Calendar Movement
• Exhibition See Thru Case Back
• Quality and Luxurious 316L Stainless Case With high polished side and Brushed Stainless Bezel
• Nearly Scratchproof Sapphire Crystal with Premium Antireflective Coating
• 316L Stainless Bracelet with Screws for Sizing. Highly Polished  Center Links (double layer plated)Add to The Luxury Feel. The bracelet is attached to the lugs with via drilled lugs.
• Upgraded Grade A Swiss Luminova on Hands and Hour Markers
• Limited Edition of 50: Each Color Uniquely Numbered up to xx/50
• USA based brand
• Pusher date on top right of case to change the month (tool included)

Engineered to Honor Excellence

Each Oceaneva™ Men's Tenuis Thin Japan Movement Automatic Watch with a Brown dial is distinguished by a unique serial number and its "Limited Edition" designation, a testament to meticulous craftsmanship that ensures every owner possesses a truly exclusive and one-of-a-kind timepiece.

- 45mm Case Diameter Measured Corner to Corner Diagonally
- 43mm Horizontal Case Width With Crown
- 39.5 Horizontal Case Width WITHOUT Crown
- 22mm Lug Width For Bracelet, Bracelet Tapers to 17.5mm
- 45mm Lug to Lug Width
- 11.8mm Case Thickness with Sapphire At Thickest Point

Oceaneva delivers exceptional luxury timepieces at a value unmatched for their level of quality.

CLICK HERE TO SEE PRODUCT VIDEO

• 26 Jewel Automatic Calendar Movement. Pusher date on the top right of the case (tool included)

Powered by the Japan Made Miyota 9120 Movement, featuring 26 jewels, self-winding capabilities, and a 40-hour approx. power reserve, ensuring precision at all times.

• See thru exhibition case back,  still water resistant to 100m.

 

Grade A Swiss Luminova lume, Above picture is unaltered, taken with a Tenuis series with upgraded lume with a phone after being exposed to sunlight outside for 30 seconds, upgraded Swiss lume that glows brighter and longer

 Exceptionally Engineering Design At Only 11.8mm Thick Case Even though A thicker Calder Mechanical Movement is Used and 100m Water Resistance

 

Featuring polished case sides, gleaming center links, and a brushed stainless steel bezel its screams elegance

 

 A meticulous dial inspired paired with luminous premium stainless steel hands and a sweeping second hand. Combined with date, 24 hour counter, month and day indicator.

A Legacy of Craftsmanship and Adventure

This watch is more than just a high-performance timepiece—it embodies your principles, ambitions, and achievements. Powered by a Miyota Japanese 9120 automatic calendar movement, it’s designed for trailblazers who defy boundaries and collectors who appreciate rarity. The Oceaneva™ Tenuis Thin Automatic Thin Watch showcases Oceaneva's dedication to cutting-edge design and superior craftsmanship, all while delivering remarkable value.

• Nearly Scratchproof Sapphire Crystal with Premium Anti Reflective Coating

 A nearly scratchproof 1.3 mm thick sapphire crystal with premium anti reflective coating protects your watch while ensuring crystal-clear visibility.  A premium anti reflective coating is on the inside of the crystal. 

• Comfort Meets Function

 Crafted with premium 316L stainless steel, the bracelet features a grade‑A fit and finish and is sized with secure screw links. Polished center links a refined Oceaneva emblem deliver a distinctly luxurious look.

Milled Clasp , Butterfly, Push Button with Double Snap Fastening

• Premium Design Elements

Includes a screw-down crown with the Oceaneva Trident logo.  

11.8mm Case Thickness with Sapphire At Thickest Point

Premium Milled Push Button Clasp

Why Oceaneva Stands Out

• USA Based brand shaking up the watch industry with incredible specs and amazing price points.
• Only USA based brand to ever test their watches at the depths of the ocean and only the 6th brand in history to do so
• Own a luxury-grade timepiece without the up to 4-5K price tag that some brands charge for similar styles.
• Exclusive limited edition run (XX/50) with unparalleled craftsmanship.
• Lightweight at only 6.3 Ounces UNSIZED
• Rare 100m water resistance rating and screw down crown on a 100m thick dress watch.

Finish:  Brushed Bezel, Polished Case Sides, Brushed Case back.  Polished Lugs.  Polished Crown.  Brushed finish bracelet with double ip plated rolse gold polished center Links

Case back secured by screws and gasket to ensure 100M water resistance rating . Limited Edition xx/50 For Each Model. 

•  Packaging

Oceaneva Box, Warranty Card, Hang Tag, Polishing Cloth, Miyota 9120 Instructions, Pusher date Tool and a Screwdriver For Sizing Included.

 

Your Next Chapter Starts Here

More than a timekeeper, this is your invitation to pursue what’s possible. The Oceaneva™ Men’s Tenuis Thin Automatic pairs refined craftsmanship with modern engineering for standout design, precision, and everyday versatility.

Step into what’s next with the Oceaneva™ Tenuis Thin Automatic Calendar. Claim yours now to experience enduring elegance and high-performance reliability in one ultra‑sleek profile.

Limited Supply—Move Quickly

Top-tier specs. Premium construction. Not a premium price. Popular colorways are moving fast and won’t be restocked soon.

Shop the sale before it ends—secure your Oceaneva™ today.

 

Full Spec List:

Model: TN9120BRST

Series: Tenuis Calendar

Case Diameter: 42mm (diagonal measured corner to corner)

Lug Width: 22mm

Lug End to Lug End Measurement: 49mm

Weight: 5.8 oz. unsized

Case Thickness: 11.8mm, achieving this was not easy as automatic movements are thick as they tend to be assembled in "layers". Especially complication models such as this Calendar

Water Resistance: 100m. Unusual for a dress watch we have designed this with a screw down crown and 100M water resistance. Oceaneva stands as the only USA-based watch brand that sends their watches to ocean depths for real-world testing, placing it among only six brands globally.

Movement: Automatic, Self-Winding Japan Miyota (owned by Citizen Watch Co., Ltd)  9120 Made Movement 26 jewels, 40-hour approx. power reserve, 28,800 bph, center second hand, date, 24 hour counter, month and date indicators. Quick change pusher month.

Caseback: Exhibition See-thru

Case Material: 316L Stainless Steel

Dial Color: Brown Hydraulic Press Embossed Sunray Dial

Crystal: Nearly scratchproof sapphire, 1.3mm thick

Bracelet: Premium finish 316L Stainless bracelet with polished center links and sized by screws.  Tapers from 22mm at lugs to 17.5mm at clasp. Fits up to 9 inch wrist.  Polished center links 

Luminous: Long-lasting GRADE A BGW9 Swiss-LumiNova on hands, hour markers, and bezel

Crown: Polished 316L Stainless Steel with Oceaneva Logo

Bezel: Luxurious Brushed 316L Stainless Steel

Limited Edition: Each piece uniquely numbered up to 50

Packaging:

Oceaneva Box

Oceaneva Hang Tag

Warranty Card

Screwdriver To Size Bracelet

Date Pusher Tool

Miyota 9120 Movement Instruction Card

Oceaneva Polishing Cloth