Citizen Tsuyosa 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.

Citizen Tsuyosa Small Second at true scale

Tsuyosa Small Second

Seiko King Seiko KSK at true scale

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 specs
Diameter
40mm
36.1mm
Thickness
11.7mm
11.6mm
Lug-to-Lug
n/a
43mm
Lug Width
n/a
19mm
Water Resistance
50m
100m

Crystal & Dial

5 specs
Crystal
n/a
Sapphire
Crystal Shape
n/a
Box
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 8322
Seiko 6R51
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$650
$1,900
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Reviews

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

Citizen Tsuyosa Small Second

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.

Seiko King Seiko KSK

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.