Blogs: DIY Watches and More

Seagull ST3600 vs Miyota 8215: Which Movement Kit Should a Beginner Start With?

Jul 30, 2026

Choosing your first movement kit usually comes down to two options: the Seagull ST3600 and the Miyota 8215. Both cost $140 in complete kits with tools and guides, and both teach real mechanical wat...

Cabot vs Marco Watch Kit: Which NH36 Rotate Watch Should You Build?

Jul 29, 2026

Two NH36-powered watchmaking kits sit at the same Easy difficulty level: the Cabot and the Marco. Both use the Seiko NH36 automatic movement with 24 jewels, day-date complications, and over 41 hour...

Miyota 8215 Date Change Mechanism Explained: How the Date Wheel Works

Jul 28, 2026

Setting the date on a mechanical watch seems simple until something goes wrong. The Miyota 8215 date mechanism is one of the most widely used calendar systems in affordable automatic watches, found...

NH36 Danger Zone: Why Never Set Day or Date Between 9 PM and 3 AM

Jul 27, 2026

The NH36 danger zone is the 9 p.m. to 3 a.m. window when the automatic date-change mechanism is engaged. Setting the day or date during these hours can strip gear teeth and damage the calendar whee...

Why Skeleton Movements Are So Popular with DIY Builders

Jul 24, 2026

Q6 Open the caseback on most watches, and you see a solid metal plate covering the gears. Open a skeleton watch, and every wheel, bridge, and spring is visible. That visual drama is why skeleton mo...

ETA 2824 Dedicated Guide: The Movement Behind Half The Swiss Watch Industry

Jul 23, 2026

Ask a watchmaker to name the most important Swiss automatic movement ever made, and most will say the ETA 2824. Since its launch in 1971, this workhorse caliber has powered watches from brands like...

Which watches use Seagull movements?

Jul 22, 2026

Seagull movements are mechanical watch calibers produced by the Tianjin Seagull Watch Group, the world's largest manufacturer of mechanical movements. Despite that distinction, most watch buyers ha...

Seiko NH05 Movement Guide: Specs, Size, and What Makes It Unique

Jul 21, 2026

Most affordable automatic movements need large cases, but the Seiko NH05 movement breaks that rule. At just 17.5mm in diameter, the NH05 is Seiko's smallest automatic caliber in the NH family. That...

Rodico vs Pegwood Sticks: Which Watch-Part-Handling Tool Is Better?

Jul 20, 2026

Every watchmaker needs tools for handling tiny parts without damaging them, and two classics show up in most toolkits: Rodico putty and pegwood sticks. Both have been standard watchmaking supplies ...

Miyota Movement Accuracy: What to Expect from Popular Automatic Movements

Jul 19, 2026

Miyota accuracy has become a cornerstone of affordable watches, As Citizen's dedicated movement manufacturing subsidiary, Miyota produces over 100 million movements annually from factories across N...

Seiko 4R36 vs 6R35: Seiko's Mid-Tier Automatics Compared

Jul 14, 2026

Seiko makes two automatic movements that power most of its mid-range watches: the 4R36 and the 6R35. Both are reliable, both run on the same basic architecture, and both offer hacking and hand-wind...

Seiko NH05 vs Seiko NH05A: Is There a Difference?

Jul 13, 2026

Search forums for the Seiko NH05, and you will quickly run into references to the NH05A and NH05B. The naming creates confusion, especially for builders trying to choose the right movement. Are the...