Which is bigger, the Oak & Oscar The Humboldt GMT or the Tornek-Rayville TR-660 Aluminum Date?

The Tornek-Rayville TR-660 Aluminum Date wears larger at 40mm versus 39.5mm for the Oak & Oscar The Humboldt GMT — a 0.5mm difference across the dial.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT or the Tornek-Rayville TR-660 Aluminum Date?

The Tornek-Rayville TR-660 Aluminum Date carries a 50-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT.

What movement does the Oak & Oscar The Humboldt GMT run compared to the Tornek-Rayville TR-660 Aluminum Date?

Both watches run automatic movements — the Oak & Oscar The Humboldt GMT uses the Sellita SW330 and the Tornek-Rayville TR-660 Aluminum Date uses the TMI NH38.

Side by side

Oak & Oscar The Humboldt GMTvsTornek-Rayville TR-660 Aluminum Date

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

Oak & Oscar The Humboldt GMT

HMBDLTGMT

MSRP $2,175

Tornek-Rayville TR-660 Aluminum Date

tr660-1002_al-date_pr_v_ate_78946315

At a glance

15 of 29 specs differ

Diameter

The Humboldt GMT39.5mm

TR-660 Aluminum Date40mm

Power Reserve

The Humboldt GMT56 hoursh

TR-660 Aluminum Date50h

Water Resistance

The Humboldt GMT200m

TR-660 Aluminum Date200m

MSRP

The Humboldt GMT$2,175

TR-660 Aluminum Date—

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Yes

Dial Color

White

Black

Lume

Super-LumiNova

Superluminova

Movement

3 specs

Caliber

Sellita SW330

TMI NH38

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

50h

Pricing

1 specs

MSRP

$2,175

—

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