Side by side

Orient Bambino Open HeartvsSpinnaker Spence 300

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

Bambino Open Heart
OrientBambino Open Heart
MSRP $315
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

17 of 29 specs differ
Diameter
Bambino Open Heart40.5mm
Spence 30040mm
Power Reserve
Bambino Open Heart40h
Spence 30040h
Water Resistance
Bambino Open Heart30m
Spence 300300m
MSRP
Bambino Open Heart$315
Spence 300$650

Full specifications

Case

8 specs
Category
Diver
Diameter
40.5mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
46mm
48mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
300m
Caseback
Display
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Aquamarine
Indices
Applied

Movement

3 specs
Caliber
FT622
SII NH35A
Beat Rate
21,600 vph
28,800 vph
Jewels
22
25

Pricing

1 specs
MSRP
$315
$650

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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.

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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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