Which is cheaper, the Oak & Oscar The Humboldt GMT Titanium or the Seiko Prospex LX line?

At MSRP the Oak & Oscar The Humboldt GMT Titanium is the cheaper of the two at $2,950, against $5,500 for the Seiko Prospex LX line — a $2,550 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT Titanium or the Seiko Prospex LX line?

The Seiko Prospex LX line wears larger at 44.8mm versus 39.5mm for the Oak & Oscar The Humboldt GMT Titanium — a 5.3mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT Titanium or the Seiko Prospex LX line?

The Oak & Oscar The Humboldt GMT Titanium is rated to 200m versus 20m for the Seiko Prospex LX line.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT Titanium or the Seiko Prospex LX line?

The Seiko Prospex LX line carries a 72-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT Titanium.

What movement does the Oak & Oscar The Humboldt GMT Titanium run compared to the Seiko Prospex LX line?

The Oak & Oscar The Humboldt GMT Titanium runs a automatic caliber (Sellita SW330), while the Seiko Prospex LX line runs a spring drive (5R66).

Side by side

Oak & Oscar The Humboldt GMT TitaniumvsSeiko Prospex LX line

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

Oak & Oscar The Humboldt GMT Titanium

HMBDLTGMTTI

MSRP $2,950

Seiko Prospex LX line

snr025j1

MSRP $5,500

At a glance

16 of 29 specs differ

Diameter

The Humboldt GMT Titanium39.5mm

Prospex LX line44.8mm

Power Reserve

The Humboldt GMT Titanium56 hoursh

Prospex LX line72h

Water Resistance

The Humboldt GMT Titanium200m

Prospex LX line200m

MSRP

The Humboldt GMT Titanium$2,950

Prospex LX line$5,500

Full specifications

Case

6 specs

Diameter

39.5mm

44.8mm

Thickness

12.5mm

14.7mm

Lug-to-Lug

46.8mm

50.9mm

Lug Width

20mm

22mm

Material

Grade 5 Titanium

Titanium

Caseback

Solid screw-down

Solid

Crystal & Dial

4 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Super-clear coating

Dial Color

Green

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

5 specs

Caliber

Sellita SW330

5R66

Type

Automatic

Spring Drive

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

72h

Jewels

Pricing

1 specs

MSRP

$2,950

$5,500

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