Side by side

Glycine Combat Sub Box CeramicvsJack Mason Strat-o-timer GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Combat Sub Box Ceramic
GlycineCombat Sub Box Ceramic
MSRP $1,800
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,099
What people say

Owners + reviewers, side by side

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

Glycine Combat Sub Box Ceramic

Owners widely praise the Glycine Combat Sub Box Ceramic for its exceptional thinness at 10.4mm for a 42mm diver, perfect proportions for small wrists, and unique, non-homage aesthetic, with some considering it the best dive watch under $400 due to its superior finishing and value. The case shape, dimensions, and drilled lugs are also highlighted as positives, and the dial is legible with good lume on the hands. However, reviewers and owners consistently flag sub-par lume on the markers that fades quickly, and an inconsistent power reserve. Some owners report the stock strap or bracelet is subpar, and one owner experienced the bezel detaching after a light bump, questioning build quality. Accuracy figures vary, with one owner noting it runs about 2.5 seconds fast per day, while another reports an inconsistent power reserve. On balance, owners rate the Glycine Combat Sub Box Ceramic highly for its thinness, unique design, and value, despite concerns about lume and strap quality.

Jack Mason Strat-o-timer GMT

Owners widely praise the Jack Mason Strat-o-timer GMT for its impressive fit and finish, excellent value, and true traveler GMT complication, especially considering its price point. Reviewers and owners alike highlight the comfortable 40mm tonneau case, sapphire crystal bezel, and retro styling. Some owners note the hour markers are "chubby" but do not affect legibility, and the strap ends are slightly large. One owner describes the 7-link bracelet as rivaling luxury brands. On balance, owners and reviewers rate the Jack Mason Strat-o-timer GMT highly for its build quality and value proposition.

At a glance

17 of 29 specs differ
Diameter
Combat Sub Box Ceramic41mm
Strat-o-timer GMT40mm
Power Reserve
Combat Sub Box Ceramic38h
Strat-o-timer GMT42h
Water Resistance
Combat Sub Box Ceramic200m
Strat-o-timer GMT200m
MSRP
Combat Sub Box Ceramic$1,800
Strat-o-timer GMT$1,099

Full specifications

Case

7 specs
Category
Diver
Diameter
41mm
40mm
Thickness
12.75mm
13.2mm
Lug-to-Lug
47mm
Material
Ceramic
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Grey
Indices
Applied
Lume
Luminous
None

Movement

4 specs
Caliber
Sellita SW200-1
Miyota 9075
Power Reserve
38h
42h
Jewels
26
25
Complications
Date
None

Pricing

1 specs
MSRP
$1,800
$1,099
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