Elliot Brown Holton Auto GMT: Nivo 101-A23vsSeiko Seiko 5 Sports SKX series

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Holton Auto GMT: Nivo 101-A23

Seiko 5 Sports SKX series
Diameter
43mm
42.5mm
Lug-to-Lug
52mm
46mm
lowest
Thickness
14mm
13.6mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
40h
41h
highest
MSRP
$883
$495
lowest
Movement
Seiko NH34
Seiko 4R34
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Elliot Brown HOLTON AUTO GMT: NIVO 101-A23 for its robust build, with one owner specifically noting the NIVO dial's attractive color-shifting quality. The internal bezel action is described as clicky and desirable. One owner notes the date window placement is a fair critique, but it avoids clutter by being positioned where the GMT hand only partially covers it. One owner misses the date window, understanding space constraints.
Owners widely praise the Seiko 5 Sports SKX series for its iconic, tough, and rugged dive watch design, timeless styling, and tool-like nature, with many finding its build quality and finishing superior to alternatives. The comfortable jubilee bracelet is frequently cited as a positive wearability feature. Accuracy with the 4R34 movement is a "luck of the draw," with specs allowing +/-40 seconds per day, though many owners report +/-5 to 10 seconds. Some owners experienced issues like scratched crystals, failed springbars, or misaligned bezels and hands. The Seiko 5 Sports SKX series is seen as a decent watch, readily available under £200, but not a serious tool watch like its predecessor due to lacking a screw-down crown, bezel pip, and ISO rating. Overall, owners rate the Seiko 5 Sports SKX series highly for its iconic design and value, despite some lacking modern features.
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