Side by side

Memphis Belle Heritage Bronzo InvecchiatovsSeiko Prospex Sea Save the Ocean Special Edition

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

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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.

Memphis Belle Heritage Bronzo Invecchiato

Owners praise the Memphis Belle Heritage Bronzo Invecchiato for its matte finish, unique dial, beautiful case work, and great lume, complemented by a double-curved sapphire crystal with anti-reflective coating. The 46mm case is noted as fulfilling a desire for a Panerai-style collection addition. Overall, owners rate the Memphis Belle Heritage Bronzo Invecchiato highly for its distinctive dial and case finishing.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

At a glance

14 of 29 specs differ
Diameter
Heritage Bronzo Invecchiato46mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Heritage Bronzo Invecchiato38h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Heritage Bronzo Invecchiato300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Heritage Bronzo Invecchiato$1,740
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

7 specs
Category
Diver
Diameter
46mm
45mm
Thickness
13.2mm
Lug-to-Lug
47.7mm
Lug Width
22mm
Material
Bronze
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Green
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
Seiko 4R36
Power Reserve
38h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,740
$625
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