Which is cheaper, the Boldr Blastoise or the Tudor Black Bay 54?

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $4,725 for the Tudor Black Bay 54 — a $4,276 gap before any retailer discounting.

Which is bigger, the Boldr Blastoise or the Tudor Black Bay 54?

The Boldr Blastoise wears larger at 40mm versus 37mm for the Tudor Black Bay 54 — a 3mm difference across the dial.

Which has a longer power reserve, the Boldr Blastoise or the Tudor Black Bay 54?

The Tudor Black Bay 54 carries a 70-hour power reserve against 40 hours on the Boldr Blastoise.

What movement does the Boldr Blastoise run compared to the Tudor Black Bay 54?

Both watches run automatic movements — the Boldr Blastoise uses the Seiko (SII) NH37 and the Tudor Black Bay 54 uses the MT5400.

Side by side

Boldr BlastoisevsTudor Black Bay 54

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Boldr Blastoise

blastoise

MSRP $449

Tudor Black Bay 54

m79000b-0001

MSRP $4,725

At a glance

15 of 29 specs differ

Diameter

Blastoise40mm

Black Bay 5437mm

Power Reserve

Blastoise40h

Black Bay 5470h

Water Resistance

Blastoise200m

Black Bay 54200m

MSRP

Blastoise$449

Black Bay 54$4,725

Full specifications

Case

5 specs

Diameter

40mm

37mm

Thickness

12mm

11.2mm

Lug-to-Lug

49.5mm

46mm

Finish

Brushed and polished

Polished + Satin

Caseback

Solid

Solid screw-down

Crystal & Dial

3 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Blastoise

Blue

Movement

6 specs

Caliber

Seiko (SII) NH37

MT5400

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$449

$4,725

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Boldr BlastoisevsTudor Black Bay 54

At a glance

Full specifications

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