Citizen Tsuyosa 60 Automatic 37 — short spec

Published 19 September 2026 · Short spec — specs checked against sources below.

Short overview, not a review. Pros and cons restate published facts only. No buying advice. Numbers not shown on a source we opened are omitted or marked unpublished.

Citizen’s Tsuyosa 60 Automatic 37 is a 37 mm steel watch with Calibre 8310, a date at 3, and an integrated five-link bracelet. Three references share the case: NK0030-51E (steel, black), NK0030-51X (steel, light green), and NK0032-56A (gold-plated steel, silver dial).

Citizen Tsuyosa 60 Automatic 37 NK0030-51E black dial on a steel bracelet
Photo: Citizen — Tsuyosa 60 Automatic 37, NK0030-51E. Not a try-on. Source: Citizen EU — NK0030-51E

Verified specs

ItemPublishedSource
ReferencesNK0030-51E steel, black dial. NK0030-51X steel, light green dial. NK0032-56A gold-plated steel, silver dial.Citizen product pages
Case diameter37 mmCitizen product pages
Lug-to-lugAbout 43 mm (third-party, approximate). Citizen’s product pages do not list lug-to-lug.Monochrome (third-party)
Thickness11.5 mm on Citizen EU and Citizen HK. 11.7 mm on citizen.com.sg for the same references.Citizen EU product page · Citizen HK product page · citizen.com.sg
MovementCalibre 8310 automatic; 21 jewels; 21,600 vibrations per hour; hacking seconds; about 60 hours; accuracy −20/+40 seconds per dayCitizen EU product page
Crystal / backSapphire crystal; exhibition caseback; date at 3Citizen product pages
Water resistance50 m / 5 barCitizen product pages
Weight122 gCitizen EU product page · Citizen HK product page
Singapore priceS$730.30 for NK0030-51E and NK0030-51X. S$773.90 for NK0032-56A. City Chain lists S$730 tax included for the steel pair.citizen.com.sg · City Chain product pages

Fit on 6–7 in wrists (6.5 in reference)

Fit: Incomplete (lug-to-lug unpublished). Monochrome lists about 43 mm lug-to-lug (third-party). That figure is approximate, so the fit stays Incomplete. Citizen’s product pages do not list lug-to-lug. Citizen EU and Citizen HK list 11.5 mm thick. citizen.com.sg lists 11.7 mm for the same references.

The flat top of the wrist (usable span) is the width a watch can sit on without its lugs hanging over the edge.

Wrist (approx.) Monochrome lug to lug Thickness Fit note
6.0 in (152 mm) about 43 mm 11.5 mm Fit: Incomplete (lug-to-lug unpublished).
6.5 in (165 mm) — reference about 43 mm 11.5 mm Fit: Incomplete (lug-to-lug unpublished).
7.0 in (178 mm) about 43 mm 11.5 mm Fit: Incomplete (lug-to-lug unpublished).

Short overview

Pros (from published facts)

Cons / gaps (from published facts)

Singapore note

The authorised dealers guide lists a Citizen showroom at OG Albert Complex and a kiosk at VivoCity. Vincent Watch and Gnomon list Citizen on their own sites. Watches are not subject to customs duty in the usual consumer path (see Buying in Singapore).

Sources

Sources opened 19 September 2026. Specs and prices change — confirm at the source.