Side by side

Spinnaker Spence 300vsUndone Calavera Neón

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

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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.

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.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.

Undone Calavera Neón

The dial's vibrant colors under UV light are a standout feature. The watch uses a Seiko VK61 or TMI VK64 mechanical-quartz hybrid flyback chronograph movement.

At a glance

12 of 29 specs differ
Diameter
Spence 30040mm
Calavera Neón40mm
Power Reserve
Spence 300
Calavera Neón
Water Resistance
Spence 300300m
Calavera Neón30m
MSRP
Spence 300$650
Calavera Neón$365

Full specifications

Case

6 specs
Category
Diver
Thickness
11.5mm
0mm
Lug-to-Lug
48mm
0mm
Lug Width
20mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Aquamarine

Movement

3 specs
Caliber
Seiko NH35
Seiko VK64
Type
Automatic
Quartz
Power Reserve
0h

Pricing

1 specs
MSRP
$650
$365
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