Blancpain Fifty Fathoms Fifty Fathoms Stainless Steel / Blue / Blue NATO

Reference 5015-12B40-NAOA

About this watch

The Blancpain Fifty Fathoms 5015-12B40-NAOA is an exceptional luxury watch that embodies the spirit of adventure and elegance. With its rich history and impeccable design, this timepiece is a statement piece that seamlessly transitions from underwater exploration to formal dinners. The automatic movement showcases Blancpain's commitment to innovation and precision, featuring a power reserve of 120 hours. The striking blue dial and durable blue NATO strap add an oceanic touch, while the rotating bezel allows for precise timing. With a water resistance of 300 meters, this watch is built for serious diving. It's a legacy of craftsmanship, style, and functionality that promises to be a loyal companion for years to come.
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Key Features

  • Blancpain caliber 1315 automatic movement
  • 45 mm stainless steel case with rotating bezel and sapphire glass
  • 300 meters water resistance
  • 120-hour power reserve
  • Striking blue dial with stick indexes and sword hands
  • Durable blue NATO strap with quick adjustments
  • Glucydur free sprung balance for enhanced accuracy

Specifications

Brand
Blancpain
Family
Fifty Fathoms
Model
Fifty Fathoms Stainless Steel / Blue / Blue NATO
Reference
5015-12B40-NAOA
Movement
1315
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 45mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] 43mm Blancpain Fifty Fathoms Bathyscaphe Titanium 5000-1210-98S - Box Papers

43mm Blancpain Fifty Fathoms Bathyscaphe Titanium 5000-1210-98S - Box Papers

Blancpain - 5000-1210-98S · $10,800
The Blancpain Fifty Fathoms Bathyscaphe is a modern dive-watch design rooted in the heritage of the original Fifty Fathoms. It features a lightweight titanium case, clean grey dial, and Calibre 1315 movement with 120-hour power reserve.

  • Condition: Pre-owned with honest signs of previous wear
  • Case size: 43mm
  • Material: Titanium
  • Dial color: Gray
Posted at
Dec 26, 2025, 10:14 AM
Active
[WTS] Blancpain Fifty Fathoms - Dive Icon - 5015 Titanium - Complete

Blancpain Fifty Fathoms - Dive Icon - 5015 Titanium - Complete

This Blancpain Fifty Fathoms Automatique 5015 is an iconic and historical dive watch in titanium, featuring a 45mm case, sapphire bezel, and black dial.

  • Condition: Excellent overall condition
  • Case size: 45mm diameter
  • Movement: Caliber 1315 automatic
  • Power reserve: five days
Posted at
Dec 20, 2025, 12:17 PM
Active
[WTS] Blancpain Fifty Fathoms Chronographe Flyback Steel Black Dial 45mm 5085F-1130-52 Complete Set

Blancpain Fifty Fathoms Chronographe Flyback Steel Black Dial 45mm 5085F-1130-52 Complete Set

Blancpain - 5085F-1130-52 · $13,795
The Blancpain Fifty Fathoms Chronographe Flyback is a purposeful, all steel dive watch with a deep black dial and a bold 45mm presence.

  • Condition: Excellent
  • Movement: Mechanical (Automatic) - Blancpain Caliber F185
  • Case Size: 45 mm diameter
  • Case Thickness: 15.5 mm
Posted at
Dec 16, 2025, 8:38 AM
Active
[WTS] Blancpain x Swatch Fifty Fathoms Antarctic Ocean (Full Set)

Blancpain x Swatch Fifty Fathoms Antarctic Ocean (Full Set)

Blancpain x Swatch - Fifty Fathoms – Antarctic Ocean · $400
A collaboration between Blancpain and Swatch, the Fifty Fathoms – Antarctic Ocean features a 42.3mm Bioceramic case with an unidirectional dive bezel and domed bio-sourced glass crystal. It is powered by the Sistem51 movement and has a water resistance of 91 meters.

  • Condition: Excellent
  • Case size: 42.3mm
  • Water resistance: 91m (300ft)
  • Depth rating: 91m depth rating
Posted at
Dec 15, 2025, 3:58 PM
Active
[WTS] Blancpain Tribute To Fifty Fathoms MIL-SPEC – 40mm – Dive Icon

Blancpain Tribute To Fifty Fathoms MIL-SPEC – 40mm – Dive Icon

The watch is a tribute to the iconic Blancpain Fifty Fathoms MIL-SPEC, which was designed in 1957 for military use. It features a moisture indicator on the dial and a four-day power reserve.

Posted at
Dec 15, 2025, 2:01 PM
Active
[WTS] Iconic Diver – Blancpain Fifty Fathoms 5015 – Titanium – Unworn & Complete

Iconic Diver – Blancpain Fifty Fathoms 5015 – Titanium – Unworn & Complete

Blancpain - 5015-12B40-O52A · $10,500
The Blancpain Fifty Fathoms is a historical dive watch in titanium with a 45mm case, sapphire bezel, and sunburst blue dial.

  • Condition: Unworn
  • Case size: 45mm
  • Water resistance: 300m depth rating
Posted at
Dec 13, 2025, 2:41 PM
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>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT 2022

>>REDUCED FURTHER<< BLANCPAIN FIFTY FATHOMS 45mm DEPLOYANT 2022

Blancpain - Fifty Fathoms · $7,975
This Blancpain Fifty Fathoms features a 45mm stainless steel case, domed sapphire bezel, and in-house calibre 1315 with a 100 hour power reserve. The watch has a spectacular lume and comes on a Blancpain Fifty Fathoms sailcloth strap.

  • Condition: Excellent
  • Case size: 45mm
  • Water resistance: unknown
  • Strap: Blancpain Fifty Fathoms sailcloth strap
Posted at
Apr 4, 2025, 2:08 PM
Active
BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

BLANCPAIN Fifty Fathoms Bathyscaphe 43mm 5000-1110-70B 2021 Box Papers Bracelet!

Blancpain - 5000-1110-70B · $8,950
This 2021 Blancpain Fifty Fathoms Bathyscaphe comes with box, papers, and an upgraded bracelet. It features a 43mm case and includes various accessories such as leather travel cases and polishing cloths.

  • Condition: used
  • Box And Papers: true
  • Bracelet: upgraded OEM stainless steel
Posted at
Apr 2, 2025, 8:34 AM
Active