SBSA321 — Releasing January 19, 2026
Movement Reference Number: 4R36
Movement System: Automatic mechanical (manual winding optional)
Accuracy: +45 seconds to -35 seconds per day
Power Reserve: Approximately 41 hours fully wound
Jewels: 24
Functions: Stop-seconds function, Calendar (date and day of the week) function
Case Material: Stainless steel, Case Back: Stainless steel and crystal
Case Dimensions: Thickness: 12.1 mm, Width: 38.0 mm, Height: 44.2 mm
Crystal Material: Tempered mineral glass
Luminous Coating: Yes (hands and markers)
Clasp: Single-press triple-folding clasp
Maximum Wrist Circumference: 205.0 mm
Watch Specifications: Water Resistance: 100M (daily water resistance)
Antimagnetic: Yes
Weight: 140.0 g
Other Features: Limited edition with "EDITION" engraved on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
Includes nylon strap
Double locking clasp
See-through screw-down case back


Shopping Tips

About delivery: We generally ship within 1-3 working days after the buyer pays. There may be delays during Japanese holidays and special festivals.

About logistics: We use FEDEX by default, and also support DHL. We ship to special areas via EMS.

About returns: We only accept returns of new, unopened products, and the buyer is responsible for the shipping costs.

About tariffs: Our prices do not include tariffs and VAT, and other charges that may be incurred which are different in each country. If they are incurred, the buyer needs to pay, which is generally collected by the logistics company. Returns without paid customs duties are not accepted.

Important Notice: We do not ship this product to any European Union (EU) countries. Any orders placed from EU regions will be canceled automatically.