Side by side

Seiko King Seiko KSKvsYema Rallygraf Alpine Cup Series Limited Edition

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

King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900
Rallygraf Alpine Cup Series Limited Edition
YemaRallygraf Alpine Cup Series Limited Edition
MSRP $2,390

At a glance

16 of 29 specs differ
Diameter
King Seiko KSK36.1mm
Rallygraf Alpine Cup Series Limited Edition41mm
Power Reserve
King Seiko KSK72h
Rallygraf Alpine Cup Series Limited Edition40h
Water Resistance
King Seiko KSK100m
Rallygraf Alpine Cup Series Limited Edition50m
MSRP
King Seiko KSK$1,900
Rallygraf Alpine Cup Series Limited Edition$2,390

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
36.1mm
41mm
Thickness
11.6mm
12.5mm
Lug-to-Lug
43mm
47mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
6R51
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,900
$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 King Seiko KSK

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial 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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