Blancpain Fifty Fathoms Fifty Fathoms Bathyscaphe Stainless Steel / Grey / Black Nato

Reference 5100B-1110-NABA

About this watch

The Blancpain Fifty Fathoms Bathyscaphe 5100B-1110-NABA is a stunning luxury dive watch that combines functionality, elegance, and heritage in a unique blend of modern aesthetics and classic diving watch characteristics. Its grey dial adorned with stick and dot indexes creates a sleek professional look, while the black NATO strap adds a rugged touch. The round stainless steel case measures 38mm in diameter and features a rotating bezel marked from 0 to 60 for tracking elapsed time underwater. At its heart lies the Blancpain Caliber 1150, an extra slim self-winding movement with a power reserve of 100 hours and comprising 210 components including 28 jewels. The watch features a date display, water resistance of 300 meters, and is made from durable materials ensuring both style and durability. Founded in 1735, Blancpain is one of the oldest watchmaking brands in the world, known for its commitment to tradition and innovation. When you wear this watch, you're not just wearing a timepiece, but a piece of history that combines craftsmanship, heritage, and functionality. It's an investment in both style and durability, with luxury watches often holding their value well.
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Key Features

  • Blancpain Caliber 1150 movement
  • Stainless Steel case with 300m water resistance
  • Sapphire crystal for scratch-resistance
  • Date display functionality
  • 38mm diameter and 10.77mm height
  • Extra slim self-winding movement with 100 hour power reserve

Specifications

Brand
Blancpain
Family
Fifty Fathoms
Model
Fifty Fathoms Bathyscaphe Stainless Steel / Grey / Black Nato
Reference
5100B-1110-NABA
Movement
blancpain%201150
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 38mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Blancpain Fifty Fathoms Titanium 42.3mm 5010 12B40 O52A – 2024 – Blue Dial – Excellent Condition Full Set + Extra Strap

Blancpain Fifty Fathoms Titanium 42.3mm 5010 12B40 O52A – 2024 – Blue Dial – Excellent Condition Full Set + Extra Strap

Blancpain - 5010-12B40-O52A · $14,500
The Blancpain Fifty Fathoms Ref. 5010-12B40-O52A is a titanium watch with a 42.3mm case and blue sunburst dial.

  • Condition: Excellent condition
  • Case material: Titanium
  • Diameter: 42.3mm
  • Bezel type: Unidirectional
Posted at
Mar 15, 2026, 5:46 PM
Active
[WTS] Blancpain Fifty Fathoms Chronographe Flyback 5085 $9,499

Blancpain Fifty Fathoms Chronographe Flyback 5085 $9,499

Blancpain - 5085F · $9,499
The Blancpain Fifty Fathoms Chronographe Flyback is a high-luxury dive chronograph, renowned for its 300m water resistance and iconic sapphire-capped bezel. It combines a versatile flyback complication with superior finishing.

  • Condition: Preowned in great condition
  • Case size: 45mm diameter
  • Water depth rating: 300m
  • Movement type: Automatic flyback chronograph
Posted at
Mar 15, 2026, 5:23 PM
Active
[WTS] 2022 Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback Ref: 5200 1110 B52A Full Set

2022 Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback Ref: 5200 1110 B52A Full Set

The Blancpain Fifty Fathoms Bathyscaphe Chronograph Flyback is a modern dive watch that brings historical significance into a sportier package, featuring a ceramic bezel and high-beat flyback chronograph movement.

  • Condition: Excellent, showing light wear consistent with normal use
  • Case Size: 43.6mm
  • Movement: Automatic Blancpain Caliber F385 Flyback Chronograph
  • Dial Color: Gray
Posted at
Mar 14, 2026, 10:55 PM
Active
[WTS] Blancpain x Swatch Fifty Fathoms Antarctic Ocean - Box, Strap, & Materials Only

Blancpain x Swatch Fifty Fathoms Antarctic Ocean - Box, Strap, & Materials Only

· $50
For sale is a Blancpain x Swatch Fifty Fathoms Antarctic Ocean, with box, strap, and materials included, but the watch itself is not part of this listing.

  • Condition: Pre-owned, in excellent condition
  • Payment Methods: PayPal, Venmo, Zelle
  • Shipping Options: Free shipping within CONUS
Posted at
Mar 13, 2026, 10:17 AM
Active
[WTS] 2023 Blancpain Fifty Fathoms Bathyscaphe 43mm Titanium Gray Dial 5000 1210 G52A Full Set

2023 Blancpain Fifty Fathoms Bathyscaphe 43mm Titanium Gray Dial 5000 1210 G52A Full Set

Blancpain - 5000 1210 G52A · $10,200
The listing is for a 2023 Blancpain Fifty Fathoms Bathyscaphe, featuring a titanium case and gray dial. This watch comes in a full set, including an extra strap.

  • Condition: Nice preowned condition with some light scratches.
  • Case material: Titanium
  • Case dimensions: 43mm diameter
  • Bezel material: Titanium
Posted at
Mar 12, 2026, 8:10 PM
Active
[WTS] Blancpain Fifty Fathoms 5015 – Titanium – Complete Set 2025

Blancpain Fifty Fathoms 5015 – Titanium – Complete Set 2025

Blancpain - 5015 12B40 O52B · $10,900
The Blancpain Fifty Fathoms Automatique 5015 is a titanium dive watch with a rich legacy in the world of professional dive watches. It features a 45mm titanium case, sapphire bezel, and deep sunburst blue dial.

  • Condition: Excellent overall condition
  • Case size: 45mm diameter
  • Movement: Blancpain Caliber 1315 automatic movement
  • Water resistance: 300 meters
Posted at
Mar 12, 2026, 11:25 AM
Active
[WTS] Blancpain Fifty Fathoms Bathyscaphe 50000240NAOA ♦️Well Used 2017♦️

Blancpain Fifty Fathoms Bathyscaphe 50000240NAOA ♦️Well Used 2017♦️

Blancpain - 50000240NAOA · $6,282
Blancpain Fifty Fathoms Bathyscaphe is a 2017 model with full set and papers. It can be tough to communicate on Reddit at times.

  • Condition: Well Used
  • Movement: Calibre 65
  • Year: 2017
Posted at
Mar 12, 2026, 12:14 AM
Active
[WTS] Blancpain Fifty Fathoms Bathyscape. Ceramic. 5000 0130 B52A

Blancpain Fifty Fathoms Bathyscape. Ceramic. 5000 0130 B52A

The watch being listed is a Blancpain Fifty Fathoms Bathyscape with ceramic materials.

  • Case material: ceramic
  • Bracelet: Artem very high quality strap
  • Clasp type: OEM Blancpain Deployant
Posted at
Mar 10, 2026, 9:02 PM
Active
[WTS] Blancpain x Swatch Scuba Fifty Fathoms, Arctic Ocean Edition

Blancpain x Swatch Scuba Fifty Fathoms, Arctic Ocean Edition

This is a unique collaboration between Blancpain and Swatch, featuring the iconic Fifty Fathoms design. The Arctic Ocean Edition is a special release, and this piece comes with original accessories.

  • Condition: Excellent
  • Strap count: 2
Posted at
Mar 9, 2026, 1:50 PM
Active