この時計は時間が正確だ。

この時計は時間が正確だ。

The watch keeps accurate time.

この時計(とけい)は時間(じかん)が正確(せいかく)だ。

Kono tokei wa jikan ga seikaku da.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

時計 (とけい、ときはかり)

watch; clock; timepiece

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

時間 (じかん)

time; hours

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

正確 (せいかく)

accurate; punctual; exact; authentic; veracious

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: ジ、とき、 -どき

Meanings: time, hour

Readings: ケイ、はか.る、はか.らう

Meanings: plot, plan, scheme, measure

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space

Readings: セイ、ショウ、ただ.しい、ただ.す、まさ、まさ.に

Meanings: correct, justice, righteous, 10**40

Readings: カク、コウ、たし.か、たし.かめる

Meanings: assurance, firm, tight, hard, solid, confirm, clear, evident