Side by side

Spinnaker FleussvsUndone Basecamp Gmt

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 Fleuss

Owners widely praise the Spinnaker Fleuss for its retro design, textured dial, and good value, with many noting it looks better in person than in photos. The watch is appreciated for its robust construction and finishing, especially when found at a discount. Some owners report good timekeeping and a decent power reserve. However, the Spinnaker Fleuss GMT is criticized by some for its large case size, which can affect proportions and numeral legibility. One owner experienced a broken crown after a fall, while another noted concerns about the acrylic bezel's durability. The lume is described as adequate but not exceptional. Overall, owners rate the Spinnaker Fleuss highly for its retro aesthetic and value proposition, particularly when purchased on sale.

From video reviewers

The bezel action is considered notably stiff by multiple reviewers. The watch's 43mm case diameter is identified as potentially too large for smaller wrists.

Undone Basecamp Gmt

The Undone Basecamp Gmt is widely praised for its vintage military aesthetic, comfortable 40mm case, and excellent value under $300, with reviewers noting its smooth, precise bidirectional bezel. Owners and reviewers consistently flag the Lexan polycarbonate crystal as a concern for long-term scratch resistance. The watch uses a Seiko NH34 automatic movement, and while its water resistance is listed as 50 meters, it is reportedly tested to 100 meters. One forum user points out that the orange arrow hand indicates the 12-hour time, not the 24-hour GMT function. Overall, owners and reviewers rate the Undone Basecamp Gmt highly for its versatile vintage design and strong value proposition.

At a glance

11 of 29 specs differ
Diameter
Fleuss43mm
Basecamp Gmt40mm
Power Reserve
Fleuss
Basecamp Gmt
Water Resistance
Fleuss150m
Basecamp Gmt100m
MSRP
Fleuss$179
Basecamp Gmt$480

Full specifications

Case

7 specs
Category
Diver
Diameter
43mm
40mm
Thickness
13mm
15mm
Lug-to-Lug
51mm
0mm
Lug Width
22mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Lumber Black

Movement

1 specs
Caliber
Seiko NH35
Seiko NH34

Pricing

1 specs
MSRP
$179
$480
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