Side by side

Spinnaker Bradner GMTvsUndone Basecamp Cali Blue

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 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.

From video reviewers

The watch offers excellent dial legibility and a functional internal rotating 24-hour bezel. The water resistance is rated at 200 meters.

Undone Basecamp Cali Blue

The Undone Basecamp Cali Blue is praised for its attractive, vintage-feeling California dial and subtle texture, with owners appreciating the 40mm case fit and customization options. Reviewers note the desirable, affordable timepiece features a textured Cali dial and 100m water resistance. Some drawbacks mentioned include the lack of a date function and a 15mm thickness, exacerbated by a chunky strap. The watch is powered by a Seiko NH35 automatic movement and features a friction bezel. Overall, owners and reviewers rate the Undone Basecamp Cali Blue highly for its unique dial design and value.

At a glance

11 of 29 specs differ
Diameter
Bradner GMT42mm
Basecamp Cali Blue40mm
Power Reserve
Bradner GMT
Basecamp Cali Blue
Water Resistance
Bradner GMT180m
Basecamp Cali Blue100m
MSRP
Bradner GMT$299
Basecamp Cali Blue$325

Full specifications

Case

7 specs
Category
GMT
Diameter
42mm
40mm
Thickness
15mm
0mm
Lug-to-Lug
50mm
0mm
Lug Width
22mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Brown

Movement

1 specs
Caliber
Seiko NH34
Seiko NH35

Pricing

1 specs
MSRP
$299
$325
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