Side by side

Seiko King Seiko KSKvsYema Navygraf Chrono

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
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

15 of 29 specs differ
Diameter
King Seiko KSK36.1mm
Navygraf Chrono40mm
Power Reserve
King Seiko KSK72h
Navygraf Chrono40h
Water Resistance
King Seiko KSK100m
Navygraf Chrono100m
MSRP
King Seiko KSK$1,900
Navygraf Chrono$1,999

Full specifications

Case

6 specs
Category
Dress
Chronograph
Diameter
36.1mm
40mm
Thickness
11.6mm
13.9mm
Lug-to-Lug
43mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Navy
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
$1,999

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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 Navygraf Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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