---
type: product
title: U-Boat 4646 Classico U-46 AS1 Watch
handle: u-boat-4646-classico-u-46-as1-watch
url: https://www.hsjohnson.com/products/u-boat-4646-classico-u-46-as1-watch
sku: '4646'
price: '170000.0'
currency: GBP
tags:
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  - new-arrival
  - out_of_stock
  - preorder
collections:
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  - U-Boat
  - Out of stock
  - All
  - Mens Watches
  - New Arrivals
variants:
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    price: '1700.00'
    sku: '4646'
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updated_at: null
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---

A refined 46 mm evolution of an iconic design, the U-Boat Classico U-46 AS2 honours the brand's storied heritage through thoughtful restraint. Subtly proportioned yet unmistakably commanding, this timepiece captures the essence of a legend in a more balanced form. Where others reinvent, U-Boat refines—crafting a watch that transcends fleeting trends through timeless aesthetics and enduring craftsmanship.

**We are a U-Boat UK authorised dealer**

**New boxed stock with full retail boxes & paperwork**

**MOVEMENT**  
swiss Sellita SW200 self-winding mechanical movement with technical modifications to U-Boat specifications; frequency 28,800 vibrations per hour. Power reserve 41 hours, 26 jewels. Custom skeletonized rotor.

**FUNCTIONS**  
hours, minutes, seconds, 24-hour indicator, date window over the crown.

**CASE**  
316L stainless steel, 46 mm.

**DIAL**  
three-tier black-painted metal case, open-worked ruby movement, hour markers and numerals treated with beige superluminova. Black painted metal hands treated with beige superluminova.

**GLASS**  
sapphire with anti-reflective coating.

**BACK**  
316L stainless steel with a screw-on cap, with a smoked mineral glass window for viewing the movement.

**WATER RESISTANCE**  
100 m, 10 ATM.

**STRAP**  
lasered leather aged with natural process, dark brown color. Handcrafted in Tuscany by skilled artisans, with a careful selection of leather and materials, and entirely made in Italy. Waxed cotton stitching. Width: 22/22 mm. Ref. 7873/Z. Fibbia: 1763/Screw.