Aigi Watches GruvebusvsYema Superman Dato CMM.10

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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

Superman Dato CMM.10
Diameter
40mm
39.5mm
Thickness
12.3mm
11.8mm
lowest
Water Resistance
200m
300m
highest
MSRP
$1,095
lowest
$1,777
Movement
Sellita SW200-1
Yema CMM.10
Case
5 specsCrystal & Dial
2 specsMovement
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.
Owners report accuracy ranging from -3 to +5/-3 seconds per day. One owner notes the bezel lock reduces fidget factor, while another reviewer considers the mechanism flimsy. The Yema Superman Dato CMM.10 offers excellent value at $1,790, featuring a distinct fishscale bracelet and a customized in-house CMM.10 movement with a 70-hour power reserve. Overall, owners rate the Yema Superman Dato CMM.10 highly for its value and in-house movement.
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