Side by side

Orient 75th Anniversary World Map LEvsSeiko 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.

At a glance

16 of 29 specs differ
Diameter
75th Anniversary World Map LE43.5mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
75th Anniversary World Map LE40h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
75th Anniversary World Map LE200m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
75th Anniversary World Map LE$495
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

4 specs
Category
GMT
Diver
Diameter
43.5mm
42.7mm
Thickness
13.9mm
13.2mm
Lug-to-Lug
46.5mm
46.4mm

Crystal & Dial

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

Movement

5 specs
Caliber
F6922
6R35
Beat Rate
21,600 vph
28,800 vph
Power Reserve
40h
70h
Jewels
22
24
Complications
GMT, Day-date
None

Pricing

1 specs
MSRP
$495
$1,350

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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.

Orient 75th Anniversary World Map LE

The Orient 75th Anniversary World Map LE is widely praised for its unique world map dial, retro aesthetic, and utility as a world timer with distinct city color-coding. Owners appreciate its bold design, sharp day/night complication, and the sense of freedom it embodies. The internal bezel crown operates smoothly, and the watch is considered a unique and underrated offering great value, with one owner choosing it over another Seiko model due to its in-house movement. However, the F6922 movement's winding and time-setting feel gritty and loose, respectively, and it has a modest 40-hour power reserve and accuracy of +25/-15 seconds per day. Some also criticize its 1969 design and that it's not a "true" world timer, with one commenter wishing it was available in a smaller 38mm case. On balance, owners and reviewers rate the Orient 75th Anniversary World Map LE highly for its distinctive vintage design and world-time functionality 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.

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