Which is cheaper, the Oris Divers Sixty‑Five 12h Calibre 400 or the Gruppo Gamma Vanguard Weathered Date?

At MSRP the Gruppo Gamma Vanguard Weathered Date is the cheaper of the two at $790, against $4,300 for the Oris Divers Sixty‑Five 12h Calibre 400 — a $3,510 gap before any retailer discounting.

Which is bigger, the Oris Divers Sixty‑Five 12h Calibre 400 or the Gruppo Gamma Vanguard Weathered Date?

The Gruppo Gamma Vanguard Weathered Date wears larger at 42mm versus 40mm for the Oris Divers Sixty‑Five 12h Calibre 400 — a 2mm difference across the dial.

Which has a longer power reserve, the Oris Divers Sixty‑Five 12h Calibre 400 or the Gruppo Gamma Vanguard Weathered Date?

The Gruppo Gamma Vanguard Weathered Date carries a 42-hour power reserve against 120 hours hours on the Oris Divers Sixty‑Five 12h Calibre 400.

What movement does the Oris Divers Sixty‑Five 12h Calibre 400 run compared to the Gruppo Gamma Vanguard Weathered Date?

Both watches run automatic movements — the Oris Divers Sixty‑Five 12h Calibre 400 uses the CALIBRE 400 and the Gruppo Gamma Vanguard Weathered Date uses the Miyota 9015.

Side by side

Oris Divers Sixty‑Five 12h Calibre 400vsGruppo Gamma Vanguard Weathered Date

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

Oris Divers Sixty‑Five 12h Calibre 400

01-400-7772-4054-07-8-20-18

MSRP $4,300

Gruppo Gamma Vanguard Weathered Date

av-11

MSRP $790

At a glance

17 of 29 specs differ

Diameter

Divers Sixty‑Five 12h Calibre 40040mm

Vanguard Weathered Date42mm

Power Reserve

Divers Sixty‑Five 12h Calibre 400120 hoursh

Vanguard Weathered Date42h

Water Resistance

Divers Sixty‑Five 12h Calibre 400100m

Vanguard Weathered Date100m

MSRP

Divers Sixty‑Five 12h Calibre 400$4,300

Vanguard Weathered Date$790

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

Underside

Yes

Dial Color

Black

Forged Carbon

Indices

—

Applied

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

CALIBRE 400

Miyota 9015

Beat Rate

4 vph

28,800 vph

Power Reserve

120 hoursh

42h

Jewels

Pricing

1 specs

MSRP

$4,300

$790

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