Which is cheaper, the Oris Divers Sixty‑Five Calibre 400 or the Boldr Blastoise?

At MSRP the Boldr Blastoise is the cheaper of the two at $449, against $4,100 for the Oris Divers Sixty‑Five Calibre 400 — a $3,651 gap before any retailer discounting.

Which is bigger, the Oris Divers Sixty‑Five Calibre 400 or the Boldr Blastoise?

The Boldr Blastoise wears larger at 40mm versus 38mm for the Oris Divers Sixty‑Five Calibre 400 — a 2mm difference across the dial.

Which has better water resistance, the Oris Divers Sixty‑Five Calibre 400 or the Boldr Blastoise?

The Boldr Blastoise is rated to 200m versus 100m for the Oris Divers Sixty‑Five Calibre 400.

Which has a longer power reserve, the Oris Divers Sixty‑Five Calibre 400 or the Boldr Blastoise?

The Boldr Blastoise carries a 40-hour power reserve against 120 hours hours on the Oris Divers Sixty‑Five Calibre 400.

What movement does the Oris Divers Sixty‑Five Calibre 400 run compared to the Boldr Blastoise?

Both watches run automatic movements — the Oris Divers Sixty‑Five Calibre 400 uses the 400 and the Boldr Blastoise uses the Seiko (SII) NH37.

Side by side

Oris Divers Sixty‑Five Calibre 400vsBoldr Blastoise

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

Oris Divers Sixty‑Five Calibre 400

01-400-7774-4057-07-8-19-18

MSRP $4,100

Boldr Blastoise

blastoise

MSRP $449

At a glance

17 of 29 specs differ

Diameter

Divers Sixty‑Five Calibre 40038mm

Blastoise40mm

Power Reserve

Divers Sixty‑Five Calibre 400120 hoursh

Blastoise40h

Water Resistance

Divers Sixty‑Five Calibre 400100m

Blastoise200m

MSRP

Divers Sixty‑Five Calibre 400$4,100

Blastoise$449

Full specifications

Case

7 specs

Diameter

38mm

40mm

Thickness

—

12mm

Lug-to-Lug

—

49.5mm

Lug Width

19mm

20mm

Finish

—

Brushed and polished

Water Resistance

100m

200m

Caseback

—

Solid

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

Green

Blastoise

Indices

—

Applied

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

400

Seiko (SII) NH37

Beat Rate

4 vph

28,800 vph

Power Reserve

120 hoursh

40h

Jewels

Pricing

1 specs

MSRP

$4,100

$449

Follow this matchup

Get a note when Oris Divers Sixty‑Five Calibre 400 vs Boldr Blastoise gets more votes, a community discussion, or a price drop. No account needed.

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.

Bremontmicro

Adjacent matchups

People also compared

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

Boldr BlastoisevsBremont Supermarine 300M Boldr BlastoisevsCincinnati Watch Company Desk Diver Professional Dive Watch Black & Orange Boldr BlastoisevsGalo Super200 Dark Edition Boldr BlastoisevsGalo Super200 Oris Divers Sixty‑Five Calibre 400vsBoldr Charizard Oris Divers Sixty‑Five Calibre 400vsBaltic Aquascaphe Dual-Crown

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $500 Explore more 37–41mm watches

Oris Divers Sixty‑Five Calibre 400vsBoldr Blastoise

At a glance

Full specifications

Follow this matchup

More watches worth a look

Supermarine 300M

Aquascaphe Dual-Crown

Desk Diver Professional Dive Watch Black & Orange

Super200 Dark Edition

Fleuss 40 Automatic

Ocean-Scout Dive Watch

HD24 Automatic

Islander Northport 37mm Automatic Watch with Purple Ripple Dial #ISL-291

People also compared