JIANGHUN Deep Challenger GMT Diver 300vsSeiko Captain Willard

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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.

JIANGHUN Deep Challenger GMT Diver 300 at true scale

Deep Challenger GMT Diver 300

Seiko Captain Willard at true scale

Captain Willard

Diameter

42mm

42.7mm

Lug-to-Lug

49mm

46.6mm

lowest

Thickness

14mm

13.2mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

70h

MSRP

$368

lowest

$1,300

Movement

Seiko NH34

Seiko 6R35

Case

5 specs
Diameter
42mm
42.7mm
Thickness
14mm
13.2mm
Lug-to-Lug
49mm
46.6mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
underside
Dial Color
n/a
Black
Lume
None
LumiBrite

Movement

3 specs
Caliber
Seiko NH34
Seiko 6R35
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$368
$1,300
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Reviews

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

JIANGHUN Deep Challenger GMT Diver 300

Owners widely praise the JIANGHUN Deep Challenger GMT Diver 300's exceptionally good finishing and surprisingly strong lume, noting impressive wrist presence. Some owners find the 42mm case too thick and large, with one owner wishing for a reduction in height and width, while another notes the watch may not wear small due to its bezel and protruding lugs. One owner reported crooked indexes and a misaligned date window. Overall, owners rate the JIANGHUN Deep Challenger GMT Diver 300 highly for its finishing and lume, despite some concerns about its size and potential alignment issues.

Seiko Captain Willard

The Seiko Captain Willard is praised for its supremely wearable 42.7mm case, icy white textured dial, and bright LumiBrite lume, with reviewers noting impressive finishing and value over $1,000. Some models feature a unique azurage textured navy blue bezel insert, while others have a matte grey or unidirectional bezel with cream accents. The Seiko Captain Willard houses the 6R35 automatic movement with a 70-hour power reserve and 200m water resistance, though one reviewer questions if its performance specs match its price. Overall, owners and reviewers rate the Seiko Captain Willard highly for its comfortable slim profile and excellent LumiBrite lume at its price point.

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