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Blancpain Fifty Fathoms 70th Anniversary Act 3

5901 5630 NANA Archive · used only

The Blancpain Fifty Fathoms 70th Anniversary Act 3 was a 41.3 mm bronze gold dive watch with a 1154.P2 automatic movement. On the maker's specification no steel touches the skin, so the guide lists it as nickel-free. It is no longer made, so this page is a reference for buying one used.

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Price
$42,800
Material
Bronze gold
Grade / type
Bronze (grade not stated)
Water resistance
300 m
Reference
5901 5630 NANA
Type
Diver
Case diameter
41.3 mm
Origin
Switzerland
Movement
Automatic
Caliber
1154.P2
Power reserve
100 hours
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Caseback
Bronze gold
Nickel-free
Maker states none
Bracelet / strap
NATO/textile and additional straps
Crystal
Sapphire
Display back
Yes
Dial
Black, MIL-SPEC style with moisture indicator
Dial colours
Black
Lume
Super-LumiNova
Availability
No longer offered
Status
No longer offered; limited edition of 555 pieces, sold out (maker page)
Not published
Thickness, Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Matching bracelet
High confidence Verified Sep 2026 Source: Blancpain / Monochrome Spec checksAlloy Jul 2026Price Sep 2026
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Frequently asked questions

Is the Blancpain Fifty Fathoms 70th Anniversary Act 3 nickel-free?

On the maker's published specification, nothing that touches the skin is steel: the case, caseback, crown and strap buckle are all non-steel. The guide records what the maker publishes and has not tested the watch, so if you react to nickel, confirm the contact points with the maker before buying.

What is the case of the Blancpain Fifty Fathoms 70th Anniversary Act 3 made of?

The case is bronze (grade not stated) bronze gold. That is confirmed against the maker's specification. The caseback is bronze gold.

What size is the Blancpain Fifty Fathoms 70th Anniversary Act 3?

The case is 41.3 mm across. It is water resistant to 300 m.

How much does the Blancpain Fifty Fathoms 70th Anniversary Act 3 cost, and is it available?

It is no longer made, so the only way to buy one is used. Its list price when it was in production was $42,800.

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