Aviation Series — C-130H Retrograde
· vv1.2
About
Retrograde analog watch face inspired by the C-130H Hercules RPM indicator.
Minutes are displayed through a central retrograde hand sweeping a 270° arc, while hours are shown on a dedicated sub-dial, recreating the look and feel of authentic cockpit engine instrumentation.
Displayed Information
- Retrograde minutes (270° sweep)
- Analog hour sub-dial
- Battery level (135° fuel-gauge style indicator)
- Heart Rate
- Steps
- Date (DOW DD MMM format)
- Automatic Day / Mid / Night mode
(background switches based on sunrise / sunset or fallback 21:00–07:00)
- Full Always-On Display (AOD) support
(dedicated AOD artwork with reduced luminance and simplified layout for AMOLED devices)
Design Inspiration
Inspired by the Lockheed C-130H Hercules engine RPM indicator, this watch face brings aviation-grade styling directly to the wrist — precise retrograde sweep, realistic gauge-style hand behavior, and night-illumination aesthetic.
Engineered for pilots and aviation enthusiasts who appreciate authentic cockpit instrument design.
Support the Developer / Tips
This watch face is free. If you enjoy it and want to support me, you can buy me a coffee:
PayPal : https://paypal.me/bachow
Thank you for your support!
What's new
Update v1.2
This update improves the automatic day/night behavior and introduces a new transitional “Mid” mode based on dawn and dusk calculations.
What’s new
• Fixed sunrise / sunset handling
— Correct switch timing based on actual sun position rather than fallback values
• Added Mid mode (Dawn / Dusk transition)
— Smooth visual progression between Day ↔ Night based on sun elevation
— More realistic cockpit-illumination behavior
Visual
• Updated AOD artwork: Day / Mid / Night variants
• Improved balance between contrast and battery usage