Mechanics 8 min read
How an automatic watch works
Your wrist gives it energy. A spring saves it. A tiny balance sets the rhythm. Follow the journey inside an automatic watch, one pencil drawing at a time.
Aerowatch · 1942
1942 Moon phase
Ref. 77983RO02
Watch details and strap advice
- Case diameter
- 42 mm
- Case height
- 12.3 mm
- Case material
- Stainless Steel
- Case shape
- Round
- Water resistance
- 50 m
- Movement
- Automatic
- Dial
- Mother of Pearl
The Aerowatch 1942 Moon phase takes a 23 mm strap: measure between the lugs and that is the only number you need. With a 42 mm case and 50 m of water resistance, a thicker strap balances the case. Automatic movement. Most straps here come with quick-release spring bars, so the swap takes a minute and no tool.
Read before you choose
All stories
Tutorial 6 min read
Omega Speedmaster watch strap guide
One black dial, four different directions. Explore suede, nylon, rubber and woven straps, starting with the 20 mm lugs of a specific Moonwatch reference.
Tutorial 3 min read
Choosing a NATO strap or a two-piece strap
Learn how NATO and two-piece straps attach to your watch, affect wrist height, and provide security so you can choose the right style.