Side by side

Massena LAB Dato-RacervsPraesidus A-5 UDT

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
A-5 UDT
PraesidusA-5 UDT
MSRP $645

At a glance

13 of 29 specs differ
Diameter
Dato-Racer40mm
A-5 UDT38mm
Power Reserve
Dato-Racer38h
A-5 UDT40h
Water Resistance
Dato-Racer50m
A-5 UDT200m
MSRP
Dato-Racer$1,595
A-5 UDT$645

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
40mm
38mm
Thickness
10.5mm
Lug-to-Lug
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Blue

Movement

3 specs
Caliber
SW400-1
Miyota 9015
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$645

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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.

Praesidus A-5 UDT

The Praesidus A-5 UDT is noted for its historically inspired design, featuring an oversized crown cap and chain that pays homage to WW2 canteen watches. Reviewers highlight its functional dial with embossed, Super-LumiNova filled numerals and markers for legibility, alongside 200m water resistance and a 38mm brushed stainless steel case. Some owners find the 11.7mm thickness problematic, describing it as disproportionately tall. The watch's ana/digi functionality and connection to special operations forces are also praised. On balance, owners and reviewers appreciate the Praesidus A-5 UDT for its unique historical design elements and functional dial.

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