Skip to content

Seiko SNT880

QuartzSteel

Ref. SNT880

Case size: 33.9mmMovement: 5Y66

The Seiko reference SNT880 has a steel case measuring 33.9 mm across. The case measures 8.6 mm thick, with a water-resistance rating of 50 metres. The movement is quartz calibre 5Y66, which has a battery life of approximately 36 months. Over the dial is a sapphire crystal. The watch has a folding clasp with a three-fold construction and a push-button release mechanism. The movement has an accuracy of plus or minus 20 seconds per month. The case has a lug width of 17 mm. The dial has a date display.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Women

CASE

Diameter

33.9mm

Thickness

8.6mm

Lug Width

17mm

Case Material

Steel

Water Resistance

50m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Quartz

Caliber

5Y66

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

Date

More from Seiko

Show all →

Other watches with the 5Y66 calibre

Show all →

FOR WATCH DEALERS

Trading the Seiko SNT880?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.