Watch Almanac
Blancpain

Fifty Fathoms Automatique 42

Ref. 5010-1130-71S

Case diameter
42.3 mm
Measured in a published review
Lug-to-lug
—
Not published
Thickness
14.3 mm
Measured in a published review
Lug width
—
Not published

We have not verified this watch’s lug-to-lug yet, so we can’t draw it on a wrist. Case diameter alone is a poor guide to fit.

How the Fifty Fathoms Automatique 42 wears

At 14.3 mm thick it is thicker than 86% of the 79 other dive watches we've measured, so expect it to sit tall on the wrist.

Specifications

Reference
5010-1130-71S
Collection
Fifty Fathoms
Status
In production
Introduced
2025
Case material
polished stainless steel
Crystal
sapphire
Water resistance
300 m
Bezel
unidirectional notched, black ceramic insert with Liquidmetal markings
Dial
black sunray-brushed
Strap / bracelet
steel bracelet
Style
Dive

Movement

Caliber
Blancpain 1315
Type
automatic
Power reserve
120 hours
Frequency
28,800 vph (4 Hz)
Jewels
35

Sources