Nautic PP Leather - 40mm Automatic, Nautilus-Style Sunburst Dial, Sapphire Crystal, Leather Strap
The Specht and Sohne Nautic PP Leather is a 40mm automatic sport-luxury watch with a Nautilus-inspired octagonal case silhouette, sunburst dial, sapphire crystal, calendar function, and genuine leather strap with deployment buckle. The Nautilus case shape - with its distinctive integrated lug design and horizontal-groove case middle - is one of the most iconic sport-luxury proportions in watchmaking. At 40mm, 11mm, and on a leather strap this is the more dressed version of the Nautic PP family: the same case and movement, leather instead of bracelet. Available in Black, Green, Dark Blue, Tiffany Blue.
Nautic PP leather automatic sport watchSpecht Sohne Nautilus style automatic40mm Nautilus inspired automatic leatherSunburst dial automatic sapphire leatherNautilus style watch Black Green Tiffany Blue
Specifications
Automatic self-winding, 40mm, 11mm, sapphire crystal, Nautilus-inspired design, leather strap, 5 ATM.
40mm Case
11mm Profile
Automatic Movement
Sapphire Crystal
5 ATM / 50M
Sunburst Dial
Calendar Function
Luminous Hands
Leather Strap
4 Colour Options
Nautilus-Inspired Case
The Nautic PP case draws from the Nautilus design vocabulary: an octagonal or rounded-octagonal integrated case silhouette where the lug structure flows into the case middle, with horizontal grooves on the case sides and a distinctive rounded-rectangular bezel outline. This is the defining sport-luxury case geometry of the 1970s, and the Nautic PP interprets it in 316L stainless steel at an accessible price. The integrated case proportion is most visible from the side - the case and strap transition form a single flowing line rather than the sharp junction of a conventional case-and-strap design.
Sunburst Dial
A sunburst dial is finished with radial brushing emanating from a central point, creating a surface that changes appearance under different light angles - from satin-smooth in flat light to dynamic and graduated under directional light. In Green and Tiffany Blue the sunburst technique creates depth and variation within the colour that a solid painted dial cannot achieve. In Black the sunburst adds subtle texture to a surface that might otherwise read as flat. In Dark Blue the radial brushing creates a rich, varied tone across the dial from centre to edge.
Leather vs Bracelet
The Nautic PP family includes leather-strap and (in the standard Nautic PP) bracelet variants. On leather the Nautic PP reads as sport-smart - the sport-luxury case proportion on a leather strap creates a more dressed character than the same case on a steel bracelet. The deployment buckle provides secure closure that sits flat against the wrist without the bulk of a pin buckle. The leather strap in matched dial colours connects the case and strap visually into a more cohesive presentation.
Four Dial Colours
Black: the most versatile and classically sport-luxury appropriate - black sunburst dial on the Nautilus silhouette is the direct reference to the most recognisable colourway. Green: a contemporary choice with strong current sport-luxury relevance - green dials are among the most sought-after in current watchmaking. Dark Blue: a deeper navy sunburst that reads as formal-adjacent and serious. Tiffany Blue: the lightest and most distinctive - a pale blue-green that is immediately recognisable as a contemporary, fashion-forward colour choice.
Sport-Luxury on Leather
The Nautilus style watch on a leather strap is a combination that moves the sport-luxury case into the smart-dress context without compromising the case's character. The octagonal or rounded-octagonal bezel and horizontal-groove case middle are still present; the integrated lug design still creates the flowing case-to-strap profile characteristic of this design lineage. But leather reads differently from a steel bracelet - it is warmer, more formal-adjacent, and more wrist-comfortable over long wear periods. The Nautic PP Leather in Green or Tiffany Blue is particularly interesting in this context: two of the most contemporary and sought-after dial colours in the current sport-luxury market, on leather rather than the more expected steel bracelet, in a design that references the most celebrated sport-luxury case shape in watchmaking. The calendar function adds practical utility; the luminous hands add dark-condition legibility; the sapphire crystal maintains the premium specification the case design demands. At 40mm and 11mm the Nautic PP Leather wears as a versatile daily watch appropriate from smart casual through business dress.
Available in Black, Green, Dark Blue, Tiffany Blue. Backed by Wclocks 1-year warranty.
Wear It For
The leather Nautic PP suits sport-smart, business casual, and contemporary dress contexts across four current colours.
Business and Smart Dress
On leather the Nautic PP reads above its sport-casual origins - the strap moves it toward smart dress and business casual. Dark Blue and Black are the most appropriate for business formal; Green and Tiffany Blue for smart casual and contemporary business. At 40mm and 11mm it sits within a shirt cuff without demanding attention while still being worth examining closely.
Green or Tiffany Blue Statement
Green and Tiffany Blue are the two most trend-forward choices in the Nautic PP Leather range. Green dials on sport-luxury cases are among the most watched colour trends in contemporary watchmaking. Tiffany Blue - the pale blue-green associated with the jeweller - has had significant recent relevance as a watch dial colour. Both are choices that communicate current taste and watchmaking awareness.
Daily Automatic
Automatic self-wind, 5 ATM, leather deployment buckle, calendar - the Nautic PP Leather has all the daily-wear automatic fundamentals. The automatic movement self-winds in daily wear; the calendar tracks the date without manual adjustment except at month changes; the deployment buckle stays secured reliably through all daily activities.
Sport-Luxury Entry Point
For the buyer entering the sport-luxury watch aesthetic - the design lineage of the Nautilus, the Royal Oak, the Ingenieur - the Nautic PP Leather is the accessible entry point. The case geometry, sunburst dial, and sapphire crystal deliver the visual language of the category without the price point of the originals.
Explore More at Wclocks
Browse the full sport-luxury and automatic watch collection at Wclocks.
Frequently Asked Questions
What is a Nautilus-inspired case design?
The Nautilus watch case, created by Gerald Genta for Patek Philippe in 1976, introduced the octagonal bezel, integrated lug design, and horizontal-groove case middle that defined sport-luxury watch architecture. The design allowed a sports watch to wear formally, combining robust case proportions with integrated strap design that created a unified wrist presence. The Nautic PP by Specht and Sohne draws on this design vocabulary - the rounded-octagonal bezel, the horizontally grooved case middle, the integrated case-to-strap profile - as an independently designed homage to the sport-luxury form.
Why choose leather over a steel bracelet for this case?
The Nautilus-inspired case design is commonly seen on steel bracelets in the sport-luxury category. On leather the same case reads as more dressed, warmer, and less overtly sporty. For wearers who want the sport-luxury case geometry but prefer a leather strap for comfort or occasion-appropriateness, the Nautic PP Leather delivers the case character with the strap versatility of leather. The deployment buckle ensures the leather strap is as secure as a bracelet while adding comfort and flexibility that steel bracelets do not offer.
What is a sunburst dial?
A sunburst (or soleil) dial is finished with radial brushing applied from the centre of the dial outward in all directions, like rays from the sun. The finish changes the apparent colour and depth of the dial depending on the angle of viewing and the direction of light - creating a dynamic, three-dimensional surface that appears to shift in character as the viewing angle or light source changes. The sunburst technique is considered a premium finishing method and is common on high-end dress and sport-luxury dials.
What colours are available?
Black: the most versatile and classically sport-luxury appropriate dial colour. Green: contemporary and current - one of the most significant watch dial colour trends in recent years. Dark Blue: navy sunburst, formal-adjacent and serious. Tiffany Blue: pale blue-green, distinctive and contemporary - the lightest and most fashion-forward choice in the range. All four share the same automatic movement, case dimensions, sapphire crystal, and leather strap.
What is the calendar function?
The calendar function displays the current date via a date window on the dial, typically at the 3 or 6 o'clock position. The date advances automatically at midnight and requires manual correction at the end of short months (those with fewer than 31 days). The Nautic PP Leather includes this practical display as a functional addition to the primary time display.
What is the water resistance?
5 ATM / 50M - suitable for daily wear including hand washing, rain, and light sport. Not rated for swimming or diving. The leather strap should be kept away from extended water immersion to preserve condition; the watch itself handles everyday moisture at 5 ATM.
Is this related to Patek Philippe Nautilus?
No. The Nautic PP Leather is a Specht and Sohne designed watch inspired by the sport-luxury case design vocabulary. Patek Philippe is an independent Swiss luxury watch manufacturer. This watch is not made by, affiliated with, or endorsed by Patek Philippe in any way. The Nautilus-inspired design is a style reference only.
Nautilus Style. Sunburst Dial. Sapphire. Automatic.
Nautic PP Leather - 40mm, 11mm, automatic, sapphire crystal, 316L stainless steel Nautilus-inspired case, sunburst dial, calendar, luminous hands, leather deployment strap, 5 ATM / 50M, 1-year Wclocks warranty. Black, Green, Dark Blue, Tiffany Blue.