Side by side

Seiko Prospex RotocallvsSpinnaker Spence 300

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.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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.

At a glance

11 of 29 specs differ
Diameter
Prospex Rotocall37mm
Spence 30040mm
Power Reserve
Prospex Rotocall
Spence 300
Water Resistance
Prospex Rotocall100m
Spence 300300m
MSRP
Prospex Rotocall$550
Spence 300$650

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
37mm
40mm
Thickness
10.6mm
11.5mm
Lug-to-Lug
43.5mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Dial Color
Aquamarine

Movement

2 specs
Caliber
Seiko A824
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$550
$650
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