Blancpain Fifty Fathoms Fifty Fathoms Bathyscaphe Stainless Steel / White / Baby Blue Nato

Reference 5100-1127-NAT

Blancpain Fifty Fathoms Bathyscaphe Stainless Steel / White / Baby Blue Nato

About this watch

The Blancpain Fifty Fathoms Bathyscaphe 5100-1127-NAT is an elegant yet sporty diving watch that combines classic styling with modern technology. Crafted from high-quality stainless steel, the case measures a modest 38mm in diameter and stands 10.77mm tall, showcasing exquisite craftsmanship. The rotating bezel allows for accurate tracking of elapsed time underwater, while the analog display features hours, minutes, seconds, and date function. Protected by a sapphire crystal, this watch is resistant to scratches and impacts. The baby blue NATO strap offers great comfort and adjustability, making it perfect for diving enthusiasts or those who appreciate fine craftsmanship. With its robust movement, excellent water resistance, and stunning design, the Blancpain Fifty Fathoms Bathyscaphe 5100-1127-NAT is a timepiece that can withstand the depths of the ocean and the heights of sophistication.

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Key Features

38mm stainless steel case
300m water resistance
Blancpain caliber 1315 automatic movement
Sapphire crystal
White dial with baby blue NATO strap
Rotating bezel for elapsed time tracking

Specifications

Brand

Blancpain

Family

Fifty Fathoms

Model

Fifty Fathoms Bathyscaphe Stainless Steel / White / Baby Blue Nato

Reference

5100-1127-NAT

Movement

1315

Movement Features

Hours, Minutes, Seconds
Date

Case

Stainless Steel 38mm

Dial Color

White

Crystal

Sapphire

Water Resistance

300

Current Listings

Blancpain Fifty Fathoms Bathyscaphe Rose Gold Ref: 5000-36S40-NAOA

Blancpain - 5000-36S40-NAOA · $17,450

This is one of the original and most iconic divers of all time. The 43mm rose gold case has great wrist presence and is incredibly comfortable.

Condition: Excellent/near mint condition
Case size: 43mm diameter
Water resistance: 200m depth rating

Posted at

Jan 25, 2026, 10:59 AM

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Blancpain Fifty Fathoms. Trilogy. 40mm. $3999 only !! Bracelet included.

Blancpain - Fifty Fathoms Trilogy · $3,895

The Blancpain Fifty Fathoms Trilogy is a 40mm watch, deployed on an aftermarket rubber strap and including its original bracelet. The seller mentions a minor issue with one endlink being broken.

Condition: Used, with minor issue (1 endlink is broken)
Case size: 40mm
Bracelet included: yes
Strap type: aftermarket rubber strap

Posted at

Jan 24, 2026, 4:26 PM

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Blancpain Fifty Fathoms. 40mm. Trilogy Series. $4350 only...

Blancpain - Fifty Fathoms Trilogy Series · $4,350

A Blancpain Fifty Fathoms from the Trilogy Series, a 40mm watch available for sale.

Size: 40mm diameter
Strap: OEM strap
Clasp: OEM deployant clasp

Posted at

Jan 24, 2026, 11:16 AM

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Blancpain Fifty Fathoms 5015 Titanium – Complete Set 2025

Blancpain - 5015 12B40 O52B · $11,500

The Blancpain Fifty Fathoms is a dive watch with a titanium case, sapphire bezel, and sunburst blue dial. It features an automatic movement with a power reserve of five days and a water resistance of 300 meters.

Condition: Excellent overall condition
Case Size: 45mm diameter
Movement: Blancpain Caliber 1315 automatic movement
Power Reserve: five days

Posted at

Jan 22, 2026, 11:49 AM

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Blancpain Fifty Fathoms 70th Anniversary Act 3 5901-5630-NANA

Blancpain - 5901-5630-NANA · $29,550

A Blancpain Fifty Fathoms 70th Anniversary Act 3 watch, part of a limited edition series with only 555 available worldwide. This timepiece includes the boxes, additional items, and papers dated October 27th, 2023.

Condition: Very good condition
Edition size: 555 units worldwide
Limited edition: true
Size: 40mm diameter

Posted at

Jan 22, 2026, 1:22 AM

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Blancpain Fifty Fathoms Titaniim 45mm 5015-12b30-b52a

Blancpain - 5015-12b30-b52a · $9,900

Up for sale is my 45mm titanium Blancpain Fifty Fathoms, full set from 2022. Comes on OEM black sailcloth.

Condition: excellent
Case Material: titanium
Size: 45mm diameter
Bezel Material: sapphire

Posted at

Jan 21, 2026, 10:14 AM

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2024 Blancpain Fifty Fathoms Automatique 45mm Titanium

Blancpain - 5015-12B40-052A · $11,878

The Blancpain Fifty Fathoms Automatique is a modern dive watch that preserves the legendary DNA of its original design while delivering refined performance. The 45mm titanium case offers strong wrist presence, and it's paired with a sunburst blue dial and unidirectional blue sapphire bezel for exceptional depth and durability.

Condition: Excellent condition with light signs of wear consistent with careful ownership
Case size: 45mm
Case material: Titanium
Dial: Sunburst blue

Posted at

Jan 21, 2026, 9:59 AM

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Blancpain Fifty Fathoms Bathyscaphe 38MM • Ref 5100B-1110-B52A (EXCELLENT 2020 COMPLETE SET)

Blancpain - 5100B-1110-B52A · $5,990

This 38MM Blancpain Fifty Fathoms Bathyscaphe is in excellent condition, featuring a 100hr power reserve, solid 18k gold rotor, and 300m water resistance.

Condition: Excellent pre-owned
Water resistance: 300m depth rating
Power reserve: 100hr power reserve

Posted at

Jan 18, 2026, 12:53 PM

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Blancpain Fifty Fathoms. Trilogy. 40mm. $3999 only !! Bracelet included.

Blancpain - Fifty Fathoms. Trilogy · $3,895

A pre-owned Blancpain Fifty Fathoms Trilogy watch in 40mm size, available on an aftermarket rubber strap or its original bracelet. The watch has some cosmetic damage.

Condition: Used, with minor defect (broken endlink)
Strap material: rubber
Bracelet included: true
Size: 40mm diameter

Posted at

Jan 17, 2026, 2:26 PM

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