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

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $5,425 for the Tudor Black Bay Bronze — a $4,976 gap before any retailer discounting.

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

The Tudor Black Bay Bronze wears larger at 43mm versus 40mm for the Boldr Blastoise — a 3mm difference across the dial.

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

The Tudor Black Bay Bronze 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 Bronze?

Both watches run automatic movements — the Boldr Blastoise uses the Seiko (SII) NH37 and the Tudor Black Bay Bronze uses the MT5601.

Side by side

Boldr BlastoisevsTudor Black Bay Bronze

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

Boldr Blastoise

blastoise

MSRP $449

Tudor Black Bay Bronze

m79250ba-0001

MSRP $5,425

At a glance

19 of 29 specs differ

Diameter

Blastoise40mm

Black Bay Bronze43mm

Power Reserve

Blastoise40h

Black Bay Bronze70h

Water Resistance

Blastoise200m

Black Bay Bronze200m

MSRP

Blastoise$449

Black Bay Bronze$5,425

Full specifications

Case

7 specs

Diameter

40mm

43mm

Thickness

12mm

14.6mm

Lug-to-Lug

49.5mm

46mm

Lug Width

20mm

23mm

Material

Stainless Steel

Bronze

Finish

Brushed and polished

Satin

Caseback

Solid

Engraved

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Blastoise

Grey

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

6 specs

Caliber

Seiko (SII) NH37

MT5601

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$449

$5,425

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