Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsTimefactors Royal Navy Diver PRS-82

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

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

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

Timefactors Royal Navy Diver PRS-82

Owners widely praise the Timefactors Royal Navy Diver PRS-82 for its exceptional case finishing at its price point and substantial bezel clicks. The 40mm sizing, sapphire crystal, and dateless design are frequently highlighted, with many appreciating its comfortable wearability on smaller wrists due to its short lug-to-lug distance and asymmetric case. Some owners note the lume is decent and legible overnight but fades faster than some other brands, and one owner found the hands' lume pip color clashed with the dial lume. The movement's seconds hand exhibits a characteristic "stutter" as observed by one owner. Overall, owners rate the Timefactors Royal Navy Diver PRS-82 highly for its authentic reissue appeal and excellent value.

At a glance

12 of 29 specs differ
Diameter
Prospex Sea Save the Ocean Special Edition43.8mm
Royal Navy Diver PRS-8240mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
Royal Navy Diver PRS-82
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
Royal Navy Diver PRS-82300m
MSRP
Prospex Sea Save the Ocean Special Edition$650
Royal Navy Diver PRS-82$664

Full specifications

Case

6 specs
Category
Diver
Diameter
43.8mm
40mm
Thickness
12.8mm
14mm
Lug-to-Lug
48.7mm
47mm
Lug Width
22mm
20mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 4R35
Sellita SW200-1
Power Reserve
41h
Jewels
23
25

Pricing

1 specs
MSRP
$650
$664
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