Glycine Men's Combat Sub 46mm Automatic Watch GL0254vsMerkur MONOBLOCK TUNA

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Glycine Men's Combat Sub 46mm Automatic Watch GL0254 at true scale

Men's Combat Sub 46mm Automatic Watch GL0254

Merkur MONOBLOCK TUNA at true scale

MONOBLOCK TUNA

Diameter

46mm

47mm

Lug-to-Lug

n/a

48mm

Thickness

10.5mm

lowest

17mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

40h

MSRP

$540

$279

lowest

Movement

Sellita SW200-1

Seiko NH35

Case

5 specs
Diameter
46mm
47mm
Thickness
10.5mm
17mm
Lug-to-Lug
n/a
48mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
Sellita SW200-1
Seiko NH35
Power Reserve
0h
40h

Pricing

1 specs
MSRP
$540
$279
Keep your wishlist and collection together in the appExplore the app

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Glycine Men's Combat Sub 46mm Automatic Watch GL0254

Overall, owners praise the Glycine Men's Combat Sub 46mm Automatic Watch GL0254 for its design and wearability, noting that the 46mm lug-to-lug measurement contributes to its comfortable fit despite the case diameter. The Combat Sub line is recognized for offering a strong value proposition with multiple size options, and this 46mm model is considered a good daily driver. The watch features 300m water resistance. On balance, owners rate the Glycine Men's Combat Sub 46mm Automatic Watch GL0254 highly for its comfortable wearability and value in the market.

Merkur MONOBLOCK TUNA

Merkur MONOBLOCK TUNA owners widely praise its excellent finishing, often noting it surpasses typical examples, and appreciate the tactile, satisfying 60-click bezel action on the titanium case. The watch is described as robust, handling snow exposure and submersion well, with reliable performance and accuracy around +2 to +3 seconds per day. Some owners highlight the monoblock case construction and sapphire bezel insert options, while others enjoy the beautiful color and killer styling on an oyster bracelet. The quality is considered surprisingly good for the price. On balance, owners rate the Merkur MONOBLOCK TUNA highly for its exceptional finishing and reliable performance at its price point.