Side by side

Boschett Timepieces Cave DwellervsSeiko Prospex Sea 1968 Heritage Diver's GMT

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

Cave Dweller
Boschett TimepiecesCave Dweller
MSRP $750
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500

At a glance

11 of 29 specs differ
Diameter
Cave Dweller44mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Cave Dweller40h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Cave Dweller1,000m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Cave Dweller$750
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

5 specs
Diameter
44mm
42mm
Thickness
16.5mm
12.9mm
Lug-to-Lug
46mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
1000m
200m

Crystal & Dial

2 specs
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
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$750
$1,500

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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 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

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