Side by side

Seiko Prospex RotocallvsSpinnaker Bradner GMT

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

Prospex Rotocall
SeikoProspex Rotocall
MSRP $550
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Prospex Rotocall37mm
Bradner GMT42mm
Power Reserve
Prospex Rotocall40h
Bradner GMT40h
Water Resistance
Prospex Rotocall100m
Bradner GMT180m
MSRP
Prospex Rotocall$550
Bradner GMT$299

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
37mm
42mm
Thickness
10.6mm
15mm
Lug-to-Lug
43.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Dial Color
Black
Brown

Movement

2 specs
Caliber
A824
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$550
$299

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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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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