Side by side

Spinnaker Spence 300vsUnimatic Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways

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.

Unimatic Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways

The Unimatic Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways is praised for its restrained, legible diver design and distinctive angular case finishing. Reviewers note its comfortable and reasonably thin 13.2mm case, which achieves 600m water resistance with a domed crystal that sits higher than the bezel, lending vintage proportions. The Sellita SW200-1 automatic movement is considered reliable. However, one reviewer questions if the $1,900 price justifies the upgrades over cheaper variants, and another points out that the two-tone SuperLumiNova lume, while visually striking, can glow at different rates in darkness, creating practical viewing issues. Overall, reviewers find the Unimatic Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways to be a well-designed diver with some practical lume concerns and a price point that prompts consideration.

At a glance

11 of 29 specs differ
Diameter
Spence 30040mm
Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways41.5mm
Power Reserve
Spence 300
Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways
Water Resistance
Spence 300300m
Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways600m
MSRP
Spence 300$650
Modello Uno U1S-PD6 ProDiver (41.5mm) — black + blue colorways$1,820

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
41.5mm
Thickness
11.5mm
0mm
Lug-to-Lug
48mm
0mm
Lug Width
20mm
0mm
Material
316L Stainless Steel
Water Resistance
300m
600m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Aquamarine
Matte black

Movement

1 specs
Caliber
Seiko NH35
Sellita SW200-1

Pricing

1 specs
MSRP
$650
$1,820
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