OpenIQ Devices
← Back

Aviation Series — C-130H Retrograde

· vv1.2
★★★★☆ (10) ↓ 100 downloads 1 Free

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

Permissions

BackgroundPositioning

Details

Compatible with 14 devices
Updated Apr 14, 2026
Open on apps.garmin.com ↗