Which is cheaper, the Boldr Blastoise or the Decima Gatekeeper?

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $599 for the Decima Gatekeeper — a $150 gap before any retailer discounting.

Which is bigger, the Boldr Blastoise or the Decima Gatekeeper?

The Boldr Blastoise wears larger at 40mm versus 38mm for the Decima Gatekeeper — a 2mm difference across the dial.

Which has better water resistance, the Boldr Blastoise or the Decima Gatekeeper?

The Boldr Blastoise is rated to 200m versus 50m for the Decima Gatekeeper.

Which has a longer power reserve, the Boldr Blastoise or the Decima Gatekeeper?

The Decima Gatekeeper carries a 42-hour power reserve against 40 hours on the Boldr Blastoise.

What movement does the Boldr Blastoise run compared to the Decima Gatekeeper?

Both watches run automatic movements — the Boldr Blastoise uses the Seiko (SII) NH37 and the Decima Gatekeeper uses the Miyota 9039.

Side by side

Boldr BlastoisevsDecima Gatekeeper

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

Add a watch

Boldr Blastoise

blastoise

MSRP $449

Decima Gatekeeper

gatekeeper-white

MSRP $599

At a glance

12 of 29 specs differ

Diameter

Blastoise40mm

Gatekeeper38mm

Power Reserve

Blastoise40h

Gatekeeper42h

Water Resistance

Blastoise200m

Gatekeeper50m

MSRP

Blastoise$449

Gatekeeper$599

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Blastoise

White

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Seiko (SII) NH37

Miyota 9039

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$449

$599

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Balticmicro

Follow this matchup

Get a note when Boldr Blastoise vs Decima Gatekeeper gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Boldr CharizardvsDecima Gatekeeper Baltic Aquascaphe Dual-CrownvsDecima Gatekeeper Baltic Aquascaphe ClassicvsDecima Gatekeeper Baltic Aquascaphe BronzevsDecima Gatekeeper Boldr BlastoisevsMark Time Watches M 6 Boldr BlastoisevsNaga Watches Opera

Edit this comparison Add another watch Explore more 37–41mm watches

Boldr BlastoisevsDecima Gatekeeper

At a glance

Full specifications

More watches worth a look

Aquascaphe Dual-Crown

M 6

Opera

DM01

Fleuss 40 Automatic

Spire

HD24 Automatic

Jui Bauhinia

Follow this matchup

People also compared