Jack Mason Strat-o-timer GMTvsRolex Explorer II

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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.

Jack Mason Strat-o-timer GMT at true scale

Strat-o-timer GMT

Rolex Explorer II at true scale

Explorer II

Diameter

42mm

42mm

Lug-to-Lug

49mm

n/a

Thickness

13.2mm

n/a

Water Resistance

200m

highest

100m

Power Reserve

42h

70h

highest

MSRP

$1,149

lowest

$10,600

Movement

Miyota 9075

3285

Case

6 specs
Thickness
13.2mm
n/a
Lug-to-Lug
49mm
n/a
Lug Width
22mm
n/a
Material
316L Stainless Steel
Oystersteel
Water Resistance
200m
100m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
n/a
Flat
Dial Color
n/a
Black
Indices
n/a
Index
Lume
None
Chromalight

Movement

7 specs
Caliber
Miyota 9075
3285
Beat Rate
0 vph
28,800 vph
Power Reserve
42h
70h
Jewels
0
34
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,149
$10,600
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Reviews

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

Jack Mason Strat-o-timer GMT

Owners widely praise the Jack Mason Strat-o-timer GMT for its exceptional value and traveler GMT functionality, citing the Miyota 9075 movement and impressive fit and finish, including screw-in bracelet pins, on-the-fly adjustment, sapphire crystal front and back, and a screw-down crown. The 7-link bracelet is frequently highlighted as a standout feature, with one owner calling it the best they have worn. Some reviewers note "chubby" hour markers and a bezel insert that one owner perceived as plastic, though another stated it is sapphire. Overall, owners rate the Jack Mason Strat-o-timer GMT highly for its impressive build quality and traveler GMT complication at its price point.

From video reviewers

The Miyota 9075 true GMT movement is a consensus strength. The lume on the hands, dial, and bezel is also a shared positive feature. Reviewers did not reach a consensus on any weaknesses or points of disagreement.

Rolex Explorer II

Owners widely praise the Rolex Explorer II for its high-contrast, legible polar dial with matte, textured finishing and its understated, classic, toolish aesthetic. Its clean lume, legibility, and ease of reading are also frequently noted. Some owners find the bracelet incredibly comfortable. Accuracy is reported as excellent, with one owner noting +/- 1 second per day. The 42mm case size is a point of contention, with some finding it too large and others appreciating its "big boy watch" suitability for everyday wear. The bezel is noted as easily scratched, and some criticize the lack of a Glidelock clasp. One owner dislikes the magnified date window for being difficult to read at angles. Overall, owners rate the Rolex Explorer II highly for its legible dial and comfortable bracelet, despite some debate over its 42mm size.

From video reviewers

The fixed 24-hour bezel and independent GMT hand provide practical dual-time functionality. The 42mm Oystersteel case is noted for versatile wearability. Reviewers disagree on the watch's sizing, with some finding it awkward and others stating it wears well.

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