Seiko Captain WillardvsSynchron Poseidon Ice Diver
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Captain Willard

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 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
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.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.







