Side by side

47ZERO Odd-Hours, OlivevsSeiko King Seiko KSK

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.

47ZERO Odd-Hours, Olive

The 47ZERO Odd-Hours, Olive draws consistent enthusiasm from owners for its distinctive retro 1960s aesthetic and customization options direct with the maker. The bubble dome crystal paired with a domed dial creates a unique visual character, though viewing angle affects how the distortion reads. One owner has reservations about the logo design but praises everything else; others have noted the double-dome construction works particularly well on certain case sizes. Overall, owners rate the Odd-Hours, Olive highly for its singular design language and willingness of the maker to work directly on customization.

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.

At a glance

13 of 29 specs differ
Diameter
Odd-Hours, Olive36mm
King Seiko KSK36.1mm
Power Reserve
Odd-Hours, Olive44h
King Seiko KSK72h
Water Resistance
Odd-Hours, Olive100m
King Seiko KSK100m
MSRP
Odd-Hours, Olive$1,042
King Seiko KSK$1,900

Full specifications

Case

5 specs
Category
Dress
Diameter
36mm
36.1mm
Thickness
11mm
11.6mm
Lug-to-Lug
46mm
43mm
Lug Width
20mm
19mm

Crystal & Dial

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

Movement

3 specs
Caliber
6R51
Power Reserve
44h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,042
$1,900
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