Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsYema Navygraf Heritage

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

Navygraf Heritage
YemaNavygraf Heritage
MSRP $990
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its visually striking and unique dial designs, often described as a standout feature offering significant aesthetic appeal for the price. Owners and reviewers consistently highlight the attractive blue gradients, wave patterns, and textured finishes that evoke ocean depths. The watch is generally considered comfortable to wear, with a well-proportioned case size and good build quality. Accuracy is reported as around +5 seconds per day by one owner. However, several sources point to the bracelet and clasp as a weak point, with criticisms including pin-and-collar construction, stamped clasps, and a lack of a convenient diver's extension. Some reviewers also note potential issues with bezel alignment and day/date wheel alignment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its exceptional dial design and overall value.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

At a glance

12 of 29 specs differ
Diameter
Prospex Sea Save the Ocean Special Edition42.4mm
Navygraf Heritage39mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
Navygraf Heritage40h
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
Navygraf Heritage100m
MSRP
Prospex Sea Save the Ocean Special Edition$550
Navygraf Heritage$990

Full specifications

Case

6 specs
Diameter
42.4mm
39mm
Thickness
13.4mm
10.85mm
Lug-to-Lug
49.4mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R36
Sellita SW200-1
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$550
$990
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