DIFICIANO NarwhalvsGlycine Combat Sub Sport
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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.

Narwhal

Combat Sub Sport
Diameter
38mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
14.2mm
11.2mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
38h
MSRP
$419
lowest
$540
Movement
Seiko NH35
Sellita SW200-1
Case
5 specsCrystal & Dial
4 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The DIFICIANO Narwhal is praised for its quiet operation and effective mopping, with owners noting COSC-level timekeeping and a $390 launch price seen as good value. However, some owners report connectivity issues and problems with the mapping feature, leading to a recommendation against purchase at full price, while others find the app and robot impressive. One owner finds the 38mm case appears too large for smaller wrists and notes the dial version quickly sold out. On balance, owners are split on the DIFICIANO Narwhal, with its value proposition tempered by reported connectivity and mapping issues for some.
Owners widely praise the Glycine Combat Sub Sport for its thinness, with various sources citing measurements between 10.4mm and 10.8mm, and its comfortable wearability due to contoured lugs that make it feel smaller than its 39mm case size. Reviewers and owners consistently highlight its value, with some considering it the best dive watch under $400 and noting its refined finishing and smooth winding action. However, opinions are mixed on its design, with some finding it unique and others plain or questioning its homage status. Lume quality is a point of contention, with some finding it subpar and hard to read at night, while others describe it as marginally better than a Seiko SKX007. Some owners have also reported inconsistent power reserve or stem issues. Overall, owners and reviewers rate the Glycine Combat Sub Sport highly for its exceptional thinness and value proposition at the price point.
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