Aigi Watches GruvebusvsDuFrane Watches Mabry MkII 39mm Titanium Mechanical Field
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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

Mabry MkII 39mm Titanium Mechanical Field
Diameter
40mm
39mm
Thickness
12.3mm
11.4mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
n/a
42h
MSRP
$1,095
$999
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 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 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.
The DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field Watch is praised for its comfortable wearability and a dial that exceeds expectations in person, featuring bright and outstanding lume. Owners note the well-finished titanium case and a unique dual-sector dial with legible hands and numerals. One owner points out slightly sharp inside edges on the lugs and a leather strap that lacks quick-release functionality. Overall, owners rate the DuFrane Watches Mabry MkII 39mm Titanium Mechanical Field Watch highly for its comfortable wearability and impressive lume.
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