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

Reference 5015-12B40-NAOA

Blancpain Fifty Fathoms Stainless Steel / Blue / Blue NATO

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

Blancpain Fifty Fathoms Bathyscaphe 5000-0240-O52A – Very Good – Full Set

Blancpain - 5000-0240-O52A · $8,890

A 2021 Blancpain Fifty Fathoms Bathyscaphe, ref. 5000-0240-O52A, features an in-house Caliber 1315 with a 120-hour power reserve and ceramic unidirectional bezel.

Condition: Very Good
Water resistance: 300m
Power reserve: 120 hours

Posted at

Apr 22, 2026, 11:36 AM

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🏒🥅🚨 Blancpain Fifty Fathoms Automatique — 45mm Titanium, Black Sapphire Bezel, Titanium Bracelet — MSRP $24,300 — Ref. 5015-12B30-98

Blancpain - 5015-12B30-98 · $14,450

The Blancpain Fifty Fathoms Automatique is a luxury dive watch with a full-titanium construction, black sapphire-topped bezel, and deep black dial. It features a 45 mm titanium case paired with a black sapphire-topped unidirectional dive bezel and a matching titanium bracelet.

Condition: Very good condition, one link short on the bracelet
Case size: 45mm
Bracelet material: Titanium
Bezel material: Black Sapphire

Posted at

Apr 21, 2026, 11:19 PM

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Blancpain Fifty Fathoms 45mm 5015 1130 71S — Excellent Condition, Box & Papers (Open Card)

Blancpain - 5015-1130-71S · $9,000

The Blancpain Fifty Fathoms is a modern execution of one of the most important dive watches ever made. It features a deep black dial with luminous markers and a sapphire-capped rotating bezel.

Condition: Excellent condition, extremely minor signs of wear
Case size: 45mm diameter, 50mm lug to lug
Thickness: 15.5mm
Movement type: automatic

Posted at

Apr 20, 2026, 9:06 AM

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2021 Blancpain Fifty Fathoms Bathyscaphe 5000-1110-B52A 43mm Full Set - $7,495

Blancpain - 5000-1110-B52A · $7,495

Up for sale is a Blancpain Fifty Fathoms Bathyscaphe, a 2021 model featuring a 43mm case.

Condition: Excellent condition with minimal signs of wear
Bracelet condition: light wear
Box condition: flaking
Shipping insurance: fully insured

Posted at

Apr 18, 2026, 4:57 PM

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Blancpain Fifty Fathoms – Iconic Diver – Titanium – 2023 Complete Set

Blancpain - 5015 12B40 O52A · $9,900

This Blancpain Fifty Fathoms Automatique is a iconic diver's watch with a titanium case, sapphire bezel, and sunburst blue dial. It features a 45mm size, Blancpain Caliber 1315 automatic movement, and water resistance of 300 meters.

Condition: Excellent
Case material: Titanium
Case size: 45mm diameter
Water resistance: 300m depth rating

Posted at

Apr 18, 2026, 1:35 PM

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

Blancpain - 5010-12B40-O52A · $14,000

The Blancpain Fifty Fathoms Ref. 5010-12B40-O52A is a titanium watch with a blue sunburst dial and unidirectional bezel.

Condition: Excellent Condition
Case Size: 42.3mm diameter
Water Resistance: not specified
Box Papers: Yes, full set included

Posted at

Apr 17, 2026, 5:53 PM

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Blancpain Fifty Fathoms Chronographe Flyback 45mm Blue Dial 5085FB-1140-71B

Blancpain - 5085FB-1140-71B · $11,800

The listing features a Blancpain Fifty Fathoms Chronographe Flyback with a blue dial and a 45mm case size.

Condition: Very good condition, rated at 9.8/10 with minimal handling marks
Included Accessories: Inner & outer boxes, booklet, manual polish cloth, warranty card
Condition Rating: 9.8/10

Posted at

Apr 17, 2026, 10:22 AM

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Blancpain Fifty Fathoms Bathyscaphe 38mm – Ref. 5100 1140 O52A PRICE DROP

Blancpain - 5100 1140 O52A · $7,784

The Blancpain Fifty Fathoms Bathyscaphe 38mm delivers iconic dive-watch heritage in a versatile, modern size. Rooted in one of the most historic dive watch lineages in horology, this reference offers refined proportions without sacrificing performance.

Condition: Pre-owned with brand new strap fitted in late 2025
Case Size: 38mm
Case Material: Stainless Steel
Bezel Type: Unidirectional Ceramic

Posted at

Apr 16, 2026, 5:42 PM

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