Citizen Tsuyosa Small SecondvsSeiko King Seiko KSK
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Tsuyosa Small Second

King Seiko KSK
Diameter
40mm
36.1mm
Lug-to-Lug
n/a
43mm
Thickness
11.7mm
11.6mm
lowest
Water Resistance
50m
100m
highest
Power Reserve
n/a
72h
MSRP
$650
lowest
$1,900
Movement
Miyota 8322
Seiko 6R51
Case
5 specsCrystal & Dial
5 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Citizen Tsuyosa Small Second is widely praised for its exceptional value and finishing for the price, featuring a textured dial that offers surprising depth and a retro feel. Owners appreciate its versatility as an everyday or business-casual watch, with some noting its symmetrical dial and subsidiary seconds as a unique aesthetic. However, the integrated bracelet's bulkiness at the lugs makes the 40mm case wear large, and the bracelet itself is described as merely adequate with some complaints about the clasp. The 4 o'clock crown is also noted as tricky to operate, particularly for winding. Accuracy varies, with one owner reporting significant gain after several months. Overall, owners and reviewers rate the Citizen Tsuyosa Small Second highly for its impressive build quality and dial design at its price point.
Owners widely praise the Seiko King Seiko KSK's refined finishing, with polishing on par with Grand Seiko, and its dial, hands, and indices are noted for their execution. The watch is described as wearing smaller than its listed size, with a cushion case contributing to a comfortable, close-to-the-wrist feel. Some owners find the watch overpriced for its movement, with one noting misaligned caseback and clasp screws, while others defend the price based on finishing, bracelet, and design. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day. Overall, owners and reviewers rate the Seiko King Seiko KSK highly for its exceptional finishing and vintage-inspired design at its price point.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








