Hamilton · Boulton

Strap for Boulton Quartz Small Second Medium

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter24 mm
ReferenceH13331553
FamilyBoulton
MovementETA caliber 980.163 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Boulton H13331553

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Boulton H13331553, seen from the bench

The Hamilton Boulton H13331553 is a quartz watch with small second subdial, featuring a stainless steel case of 23.50 mm diameter and an 18 mm lug width. Powered by the ETA 980.163 movement, this model displays hours, minutes, and seconds on subdial. Originally designed in 1940, the Boulton exemplifies American Art Déco design with its curved case geometry and distinctive silhouette that characterizes the vintage Hamilton collection.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only