BOLDR Supply Co. GMT TarangirevsUndone Basecamp Stealth Automatic
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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.

GMT Tarangire

Basecamp Stealth Automatic
Diameter
40mm
40mm
Thickness
12.6mm
n/a
Water Resistance
200m
highest
100m
MSRP
$469
$432
lowest
Movement
Seiko NH34
Seiko NH34
Case
4 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the BOLDR Supply Co. GMT Tarangire for its appealing design and less cluttered dial compared to some alternatives, with one owner noting good finishing for the price. The GMT functionality is a highlight, and the use of the Seiko NH34 movement is appreciated. One owner finds the 40mm case size acceptable, while another prefers smaller cases. Overall, owners rate the BOLDR Supply Co. GMT Tarangire highly for its design and GMT functionality at the price point.
The Undone Basecamp Stealth Automatic is praised for its versatile 40mm case proportions and the reliability of its Seiko NH34 automatic movement. Owners report it keeps time within approximately 20 seconds per week. Some iterations are critiqued for a date window placement between 4 and 5 o'clock. Overall, owners and reviewers rate the Undone Basecamp Stealth Automatic well for its reliable movement and wearable case size.
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