Side by side

Seiko 5 Sports SNXS seriesvsUndone Basecamp Gmt

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 5 Sports SNXS series

Owners widely praise the Seiko 5 Sports SNXS series for its attractive sunburst dials, vintage aesthetic, and excellent value, with many highlighting its comfortable wearability. Reviewers and owners consistently flag the stock bracelet as a significant weakness, often described as jangly, hair-pulling, and difficult to adjust, with a flimsy clasp. The Hardlex crystal is noted as being prone to scratching, and the caseback is described as thick, contributing to a bulky appearance. Accuracy with the movement is reported to be variable, ranging from +/- 1-2 seconds per day to +/- 20 seconds or more, and the movement itself lacks hacking and hand-winding. On balance, owners and reviewers rate the Seiko 5 Sports SNXS series highly for its stunning dials and value, despite significant criticisms of its bracelet and movement limitations.

From video reviewers

The vintage-inspired design and compact case size are praised. The price increase over the previous generation is a point of contention.

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

13 of 29 specs differ
Diameter
5 Sports SNXS series37.4mm
Basecamp Gmt40mm
Power Reserve
5 Sports SNXS series41h
Basecamp Gmt
Water Resistance
5 Sports SNXS series100m
Basecamp Gmt100m
MSRP
5 Sports SNXS series$415
Basecamp Gmt$480

Full specifications

Case

5 specs
Category
Sport
Diameter
37.4mm
40mm
Thickness
12.5mm
15mm
Lug-to-Lug
44.7mm
0mm
Lug Width
18mm
0mm

Crystal & Dial

4 specs
Crystal
Hardlex
Crystal Shape
Curved
Dial Color
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 4R36
Seiko NH34
Power Reserve
41h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$415
$480
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