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Baltic MR ClassicvsSeiko Prospex Sea 1970 Heritage Diver's 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.

Baltic MR Classic

Owners widely praise the Baltic MR Classic's attractive dial with applied Breguet numerals and granular texture, noting it looks far more expensive than its price. Reviewers highlight the refined, dressy aesthetic and the visually appealing micro-rotor movement. Some owners report precise time-setting and a smooth winding action. Accuracy figures vary, with one owner seeing +1 second per day and another averaging +10 seconds per day. Concerns exist regarding the gold PVD finish's durability, with reports of wear from strap friction. The 36mm case is described as small, and some find the bezel chunky and the watch's overall height significant. The Chinese Hangzhou micro-rotor movement is noted as potentially noisy and difficult for local repair, though Baltic's customer service and warranty are praised. Overall, owners and reviewers rate the Baltic MR Classic highly for its dressy aesthetic and dial finishing at its price point.

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

At a glance

14 of 29 specs differ
Diameter
MR Classic36mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
MR Classic42h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
MR Classic30m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
MR Classic$589
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

5 specs
Category
Dress
Diver
Diameter
36mm
42.7mm
Thickness
9mm
13.2mm
Lug-to-Lug
44mm
46.4mm
Water Resistance
30m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Hangzhou 5000A
Seiko 6R35
Power Reserve
42h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$589
$1,350
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