Orient Star M45 F7 Small SecondvsSeiko King Seiko KSK

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

M45 F7 Small Second

King Seiko KSK
Diameter
39mm
38.6mm
Lug-to-Lug
45.7mm
lowest
45.8mm
Thickness
11.7mm
10.7mm
lowest
Water Resistance
30m
50m
highest
Power Reserve
50h
highest
45h
MSRP
$1,240
lowest
$3,300
Movement
Orient F7H44
Seiko 6L35
Case
6 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Orient Star M45 F7 Small Second for its classic styling and balanced dial layout, featuring elegant leaf hands, Roman numerals, and railway minute track. The 39mm case offers classic proportions, and the in-house automatic Orient F7H44 movement is considered reliable and mesmerizing through the display caseback, providing over 50 hours of power reserve. Some owners note the movement is regulated to within -5/+15 seconds per day, which is competitive for its price point. The watch is also commended for its technical specifications, including its thinness and the inclusion of small second and power reserve complications. One owner notes the watch costs around $1000 and includes both leather and steel straps. Its 30m water resistance is considered suitable for weekday wear rather than active use. Overall, owners and reviewers rate the Orient Star M45 F7 Small Second highly for its elegant design and impressive value at its price point.
The Seiko King Seiko KSK is praised for its slim, retro design with sharply faceted lugs and well-executed dials, featuring a mix of brushed and polished finishes. Owners and reviewers consistently highlight the Grand Seiko-level dial and case finishing, the double-bevel sapphire crystal, and an unusually nice bracelet. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day for the 6L35 movement. Some owners question the value proposition at its price point, particularly when considering the movement. Overall, owners and reviewers appreciate the King Seiko KSK for its refined retro aesthetic and high-quality finishing, despite some reservations about its price and movement in certain configurations.
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