Side by side

Fears BrunswickvsSeiko 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

16 of 29 specs differ
Diameter
Brunswick38mm
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Power Reserve
Brunswick40h
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Water Resistance
Brunswick10m
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
MSRP
Brunswick$3,125
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
40mm
Thickness
11.25mm
13mm
Lug-to-Lug
42mm
46.4mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
10m
300m

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Brown
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
ETA 7001
6R55
Type
Manual
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$3,125
$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.

Fears Brunswick

Fears Brunswick owners and reviewers widely praise its elegant, vintage-inspired design, beautiful cushion case shape, and textured dials, with specific commendations for hand-polished German dials and hand-applied numerals. Some reviewers would prefer a screw-down crown despite the 100m water resistance, and one owner notes the price point is steep for a microbrand with an off-the-shelf movement. Overall, owners and reviewers rate the Fears Brunswick highly for its charming design and dial finishing.

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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