Seiko Captain WillardvsSynchron Poseidon Ice Diver

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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.

Seiko Captain Willard at true scale

Captain Willard

Synchron Poseidon Ice Diver at true scale

Poseidon Ice Diver

Diameter

42.7mm

42mm

Lug-to-Lug

46.6mm

45mm

lowest

Thickness

13.2mm

12.5mm

lowest

Water Resistance

200m

300m

highest

Power Reserve

70h

highest

68h

MSRP

$1,300

n/a

Movement

Seiko 6R35

La Joux-Perret G100

Case

5 specs
Diameter
42.7mm
42mm
Thickness
13.2mm
12.5mm
Lug-to-Lug
46.6mm
45mm
Lug Width
20mm
n/a
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko 6R35
La Joux-Perret G100
Power Reserve
70h
68h
Jewels
24
0

Pricing

1 specs
MSRP
$1,300
n/a
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Reviews

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

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.

Synchron Poseidon Ice Diver

Owners widely praise the Synchron Poseidon Ice Diver for its value and wearability, with many noting its balanced feel and comfortable Isofrane strap, even on smaller wrists. The La Joux-Perret G100 automatic movement is consistently highlighted for its smooth winding and accuracy, with one owner reporting -4 seconds per day. The 120-click bezel action is well-regarded, and the watch is considered a good value at its price point. Overall, owners rate the Synchron Poseidon Ice Diver highly for its comfortable wearability and reliable Swiss movement at an accessible price.

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