Side by side

Boschett Timepieces Cave DwellervsSeiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

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

At a glance

12 of 29 specs differ
Diameter
Cave Dweller44mm
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Power Reserve
Cave Dweller40h
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Water Resistance
Cave Dweller1,000m
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
MSRP
Cave Dweller$750
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400

Full specifications

Case

5 specs
Diameter
44mm
40mm
Thickness
16.5mm
13mm
Lug-to-Lug
46mm
46.4mm
Lug Width
22mm
20mm
Water Resistance
1000m
300m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Lume
Superluminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW-200
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$750
$1,400

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What people say

Owners + reviewers, side by side

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

Boschett Timepieces Cave Dweller

Owners praise the Boschett Cave Dweller's rugged look, versatility, and reliable performance, with one owner noting its appeal due to limited production. A reviewer flags non-drilled lugs as frustrating and criticizes the bezel grip, while also noting average blue lume performance and a small date window. Overall, owners value the Boschett Cave Dweller for its robust design and dependable functionality, with specific features like the practical clasp being a highlight for some.

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

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