Side by side

Massena LAB Dato-RacervsMarnaut Safe Harbour 100C

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
Safe Harbour 100C
MarnautSafe Harbour 100C
MSRP $899
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.

Marnaut Safe Harbour 100C

The Marnaut Safe Harbour is widely praised for its compact 39mm tonneau case and its unique sea urchin-inspired dial. Reviewers note the case wears well despite its 13.2mm thickness. One owner flagged a potential lume inconsistency, which was attributed to UV lighting effects. The slender handset can be difficult to read against the busy dial, and the faux-crocodile strap is stiff initially. Overall, owners and reviewers appreciate the Marnaut Safe Harbour for its distinctive dial and comfortable wearability.

At a glance

10 of 29 specs differ
Diameter
Dato-Racer40mm
Safe Harbour 100C39mm
Power Reserve
Dato-Racer38h
Safe Harbour 100C41h
Water Resistance
Dato-Racer50m
Safe Harbour 100C100m
MSRP
Dato-Racer$1,595
Safe Harbour 100C$899

Full specifications

Case

5 specs
Category
Sport
Diameter
40mm
39mm
Thickness
10.5mm
13mm
Lug-to-Lug
46mm
45mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Yes
Inner

Movement

3 specs
Caliber
SW400-1
Sellita SW200-1
Power Reserve
38h
41h
Jewels
26
25

Pricing

1 specs
MSRP
$1,595
$899
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