Side by side

Massena LAB Dato-RacervsOak & Oscar The Humboldt GMT

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175

At a glance

17 of 29 specs differ
Diameter
Dato-Racer40mm
The Humboldt GMT39.5mm
Power Reserve
Dato-Racer38h
The Humboldt GMT56 hoursh
Water Resistance
Dato-Racer50m
The Humboldt GMT200m
MSRP
Dato-Racer$1,595
The Humboldt GMT$2,175

Full specifications

Case

8 specs
Category
Sport
GMT
Diameter
40mm
39.5mm
Thickness
10.5mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
Black
White
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
SW400-1
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
38h
56 hoursh
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$2,175

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

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