Aigi Watches GruvebusvsMicromilspec The U.S. Space Force
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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.

Gruvebus

The U.S. Space Force
Diameter
40mm
42mm
Thickness
12.3mm
12mm
lowest
Water Resistance
200m
200m
MSRP
$1,095
n/a
Movement
Sellita SW200-1
Sellita SW200-1
Case
3 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Aigi Watches GRUVEBUS for its legibility and the unique coal-pressed dial motif, with some comparing its character to Grand Seiko. The watch features GTLS tubes for luminescence and a hardened steel 40mm case, powered by a Sellita SW200-1 automatic movement and offering 200m water resistance. Some owners report receiving the watch with a Miyota 9015 movement upgrade. One owner notes the Jubilee-style bracelet as a luxurious touch for a tool watch, while another finds the 40mm case size and 49mm lug-to-lug measurement to be chunky. On balance, owners and reviewers find the Aigi Watches GRUVEBUS to be a decent tool watch for its price, with its unique dial and legibility being key strengths.
Micromilspec The U.S. Space Force Watch is a 42mm automatic tool watch with a unique dial design featuring the Space Force logo and orbital rings. It uses a Sellita SW200 automatic movement and has 200m water resistance. One owner reported a crown issue that was resolved by re-threading, and noted the bezel is stiff with a crisp detent but difficult to grip for diving. The watch is seen by some as a stylish office or date watch rather than a practical tool for soldiers, with its design execution questioned. Civilian versions are priced at $1,500 USD. On balance, owners and reviewers find Micromilspec The U.S. Space Force Watch to be a uniquely designed watch with a reliable movement, though some question its practical tool watch utility.
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