Side by side

Audaz Reef DivervsJack Mason Strat-o-timer GMT

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

Reef Diver
AudazReef Diver
MSRP $420
Strat-o-timer GMT
Jack MasonStrat-o-timer GMT
MSRP $1,149
What people say

Owners + reviewers, side by side

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

Audaz Reef Diver

The Audaz Reef Diver is described as a bold, rugged, and dependable tool watch with a focus on clarity and accuracy for diving. It features a 45mm 316L stainless steel case, sapphire crystal, Super-LumiNova C3, and 300m water resistance. One owner notes it is a large, heavy watch. The Audaz Reef Diver is powered by a Seiko NH35 automatic movement and is priced starting at $269. Overall, owners and reviewers view the Audaz Reef Diver positively as a robust tool watch with a clear dial and strong water resistance for its price.

Jack Mason Strat-o-timer GMT

Owners and reviewers widely praise the Jack Mason Strat-o-timer GMT for its exceptional value and traveler GMT functionality powered by the Miyota 9075 movement. Specific strengths highlighted include impressive fit and finish, screw-in bracelet pins, on-the-fly adjustment, sapphire crystal front and back, a screw-down crown, and a lumed bezel. The 7-link bracelet, with its micro-adjust buckle offering 9 points of adjustment, is frequently cited as a standout feature, with some owners comparing it favorably to much more expensive watches. Some reviewers note "chubby" hour markers and a potentially plastic bezel insert, though others state it is sapphire. The watch is praised for its comfortable 42mm case and vintage aesthetic. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its outstanding value and well-executed traveler GMT complication.

At a glance

11 of 29 specs differ
Diameter
Reef Diver45mm
Strat-o-timer GMT42mm
Power Reserve
Reef Diver
Strat-o-timer GMT42h
Water Resistance
Reef Diver300m
Strat-o-timer GMT200m
MSRP
Reef Diver$420
Strat-o-timer GMT$1,149

Full specifications

Case

6 specs
Diameter
45mm
42mm
Thickness
15.5mm
13.2mm
Lug-to-Lug
53mm
49mm
Lug Width
24mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Camouflage
Lume
SuperLuminova
None

Movement

2 specs
Caliber
NH35
Miyota 9075
Power Reserve
42h

Pricing

1 specs
MSRP
$420
$1,149
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