Fifty Fathoms Grande Date 5050-12B30-98B
Fifty Fathoms Grand Date 5050-12B30-98B
45mm, Black/Big Date
Blancpain
Blancpain
Fifty Fathoms Grand Date 5050-12B30-98B
Since its debut in 1953, Blancpain Fifty Fathoms has been widely recognized as the world’s first modern diver’s watch and has established itself as Blancpain’s representative collection. It is a legendary model that first introduced key technologies such as water resistance, A rotating bezel, And luminous functions, And has been trusted by both the military and civilian sectors. Today, It continues to be the essence of diver’s watches, Evolving with various materials, Sizes, And complications.
The Blancpain Fifty Fathoms Grande Date 5050-12B30-98B is a classic diver’s watch, Featuring a 45 mm titanium case, A black dial, A unidirectional rotating sapphire bezel, And a titanium bracelet. The dial features large Arabic numerals and indexes at 12 o’clock, A bold sword hand, And a double-window Grande Date display at 6 o’clock. This big date displays the date in two large windows, Maximizing readability so that the date can be checked at a glance even during a dive.
The titanium case and bracelet are lighter and more durable than steel, And it has both the reliability and practicality of a diver’s watch, With 300m water resistance, A screw-down crown, Luminous indexes and hands, And a curved sapphire bezel. Through the sapphire crystal back, This model showcases Blancpain’s technical prowess in a modern way, With the sophisticated finish of the in-house movement and the 120-hour power reserve.
- Dial color
- Black
- Dial characteristics
- Big Date
- Case material
- Titanium
- Bracelet material
- Titanium
- Glass
- Sapphire crystal
- Case diameter
- 45mm
- Case thickness
- 16.25mm
- Waterproof
- 300m
- Bezel material
- Titanium, Sapphire inserts
- Bezel type
- Unidirectional rotating bezel
- Movement
- Self-winding
- Caliber
- Cal.6918B
- Frequency
- 28, 800 vibrations
- Power reserve
- About 120 hours
Official Retail Price vs Average Sold Price by Year| Year | Official retail price | Average sold price |
|---|
| 2025 | ₩32,520,000 | - |
| 2024 | ₩30,970,000 | - |
Official retail price is based on the first price increase of each year.

Practical luxury
titanium watch
The mainstream is titanium

2024
Morgan Stanley Insights
Behind the Watch Market Digged into Data

Why Gold Holds Trillions in Global Value — The Secret Power of Gold in Value Investing
Store of Value, Part 1: Why Gold Has Captivated Humanity for Centuries

Spring, Spring, Spring has come
SS season watch recommendations
A mood changer starts from your wrist!

Devil's metal, Tantalum
Heavy dark solid and strong

buy used watches
complete guide
Even if you don’t buy a watch on VIVER…

2025 Rolex and Tudor Price Increase – Updated Price List & Reasons
How much higher will it go this year?

2024 Rolex and Tudor Price Increase – Updated Price List & Reasons
How Much Did Rolex Prices Increase This Year?

Size Down
Style UP
Smaller Watches, Reading the Big Flow

Rolex Appraisal
I can do it!
Anyone can become a Rolex appraiser! Daytona Part 2