Side by side

Seiko Prospex SeavsYema Rallygraf Alpine Cup Series Limited Edition

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

Prospex Sea
SeikoProspex Sea
MSRP $1,100
Rallygraf Alpine Cup Series Limited Edition
YemaRallygraf Alpine Cup Series Limited Edition
MSRP $2,390

At a glance

13 of 29 specs differ
Diameter
Prospex Sea41.3mm
Rallygraf Alpine Cup Series Limited Edition41mm
Power Reserve
Prospex Sea72h
Rallygraf Alpine Cup Series Limited Edition40h
Water Resistance
Prospex Sea300m
Rallygraf Alpine Cup Series Limited Edition50m
MSRP
Prospex Sea$1,100
Rallygraf Alpine Cup Series Limited Edition$2,390

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
41.3mm
41mm
Lug-to-Lug
48.2mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Limited Edition
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R55
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,100
$2,390

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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.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

Yema Rallygraf Alpine Cup Series Limited Edition

The Yema Rallygraf Alpine Cup Series Limited Edition is praised for its 39mm proportions, thin profile, and retro-modern vibe, with reviewers noting decent finishing for its price point. Owners highlight the sweeping chronograph hands and good lume, though the 24-hour subdial is considered by some to be useless. The use of a K1 mineral crystal instead of sapphire is flagged as a drawback by multiple sources, and one owner finds the diver-style clasp slightly out of place. Accuracy figures and winding feel are not discussed. Overall, owners and reviewers appreciate the Yema Rallygraf Alpine Cup Series Limited Edition for its stylish retro design and wearable dimensions at its $549 price.

From video reviewers

The in-house microrotor movement is a shared strength. Reviewers questioned the value proposition compared to alternatives.

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