Side by side

Massena LAB Dato-RacervsOrient Bambino Open Heart

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

Dato-Racer
Massena LABDato-Racer
MSRP $1,595
Bambino Open Heart
OrientBambino Open Heart
MSRP $315

At a glance

16 of 29 specs differ
Diameter
Dato-Racer40mm
Bambino Open Heart40.5mm
Power Reserve
Dato-Racer38h
Bambino Open Heart40h
Water Resistance
Dato-Racer50m
Bambino Open Heart30m
MSRP
Dato-Racer$1,595
Bambino Open Heart$315

Full specifications

Case

6 specs
Category
Sport
Diameter
40mm
40.5mm
Thickness
10.5mm
12mm
Lug Width
20mm
21mm
Water Resistance
50m
30m
Caseback
Solid
Display

Crystal & Dial

5 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
White
Indices
Applied

Movement

4 specs
Caliber
SW400-1
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
38h
40h
Jewels
26
22

Pricing

1 specs
MSRP
$1,595
$315

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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.

Orient Bambino Open Heart

Owners widely praise the Orient Bambino Open Heart for its dressy style, clean dial, and reliable in-house F6724 automatic movement with hacking and hand-winding. Reviewers and owners highlight its value proposition, with one owner noting it remains a regular wear even after acquiring pricier watches. Some owners find the build quality and stock strap less premium, with one noting the mineral crystal is prone to scratching and another that the movement can be noisy. The 21mm lug width is cited as making strap swapping slightly more complicated. Overall, owners and reviewers rate the Orient Bambino Open Heart highly for its dressy aesthetic and in-house movement at its price point.

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