Side by side

Lum-Tec EclipsevsSeiko King Seiko KSK

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

Eclipse
Lum-TecEclipse
MSRP $695
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

15 of 29 specs differ
Diameter
Eclipse42mm
King Seiko KSK36.1mm
Power Reserve
Eclipse40h
King Seiko KSK72h
Water Resistance
Eclipse101m
King Seiko KSK100m
MSRP
Eclipse$695
King Seiko KSK$1,900

Full specifications

Case

7 specs
Category
Sport
Dress
Diameter
42mm
36.1mm
Thickness
11.6mm
Lug-to-Lug
43mm
Lug Width
19mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
101m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
E6
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
6R51
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$695
$1,900

Follow this matchup

Get a note when Lum-Tec Eclipse vs Seiko King Seiko KSK gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Lum-Tec Eclipse

Owners widely praise the Lum-Tec Eclipse for its comfortable, slim profile and thin wearability, with specific commendations for its beautiful dial, good readability, and bracelet design. The knurling on the crown is also noted as a positive feature. Some owners express concern over the 42mm case size and find the dial's font and indices unappealing, though others appreciate the deep-dish slant. One owner notes a slight gap where the lugs meet the bracelet. The Lum-Tec Eclipse e3 variant features a Miyota 9039 movement, a solid bracelet, a sunburst dial, and exceptionally bright lume. Overall, owners rate the Lum-Tec Eclipse highly for its slim design and attractive dial at its price point.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.