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Tudor Black Bay One 36 Anthracite
Tudor

Black Bay One 36

Reference — 6 variants
Anthracite dial
M79640-0001
Size
36mm
Movement
Automatic
Water res.
100m
Caliber
Tudor MT5400
Reserve
70 heures
~$4,666
Description

A compact edition in the Black Bay family that pays homage to Tudor's dive watch heritage. Its refined proportions and legible dial make it an ideal companion for everyday adventures.

10h09 take

"The more versatile, casual Tudor alternative to the 1926 — verified at €4,320–5,220."

Specifications
ref. M79640-0001
Case
MaterialSteel
Diameter36mm
Water resistance100m
BezelSmooth
DialGrey
Movement
TypeMécanique à remontage automatique manufacture
CaliberTudor MT5400
Power reserve70 heures
Strap & Bracelet
MaterialMetal bracelet
BuckleDéployante
Author POV

36mm is the size in this one-off family I think actually works best as a genuinely wearable everyday watch — big enough to read easily, small enough to disappear under a cuff, unlike the deliberately compact 31mm case. COSC certification carries over from the smaller reference, so chronometer-grade regulation isn't a size-dependent feature here, it's consistent across the line. Anthracite dial, steel bracelet, 100m water resistance — this is the most conventionally proportioned Black Bay One, and on my versatility axis it's the strongest performer among the size variants I've catalogued in this family.

All references
6 variants