Side by side

Spinnaker Spence 300vsUndone Aero Commando

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

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 Aero Commando

The Undone Aero Commando earns consistent praise for its vintage aviator aesthetic and finishing quality at its price point. Reviewers highlight the fashionable P.V.H. Weems-inspired design, the distinctive rotating bezel with 60-second scale and screw-down lock, the chamfered lugs with sharp finishing, and the super-domed polycarbonate crystal that delivers an attractive retro look—though polycarbonate scratches more easily than mineral glass. The comfortable Italian leather strap and well-proportioned case shape drew extended wear approval from one reviewer, who found no faults across weeks of use. The Cordura strap variant is noted as initially stiff, and the Lexan crystal can reflect light. Priced at $365 USD (€354), it pairs the Seiko NH35 automatic movement with 100m water resistance and quick-release spring bars. Overall, reviewers rate the Aero Commando highly for its thoughtful vintage design execution and case finishing quality relative to its cost.

At a glance

10 of 29 specs differ
Diameter
Spence 30040mm
Aero Commando40mm
Power Reserve
Spence 300
Aero Commando
Water Resistance
Spence 300300m
Aero Commando100m
MSRP
Spence 300$650
Aero Commando$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
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Aquamarine

Movement

1 specs
Power Reserve
0h

Pricing

1 specs
MSRP
$650
$365
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