Key Design Features
Dial: Dark brown / black wood-grain or horizontal textured dial
Open-heart: Cut-out at 9 o’clock revealing the balance wheel
Indices: Applied rose-gold baton markers
Hands: Polished rose-gold baton hands
Seconds: Central seconds hand
Text: “Seiko” at 12, “Automatic” above 6
Bezel: Rounded-octagonal bezel in rose-gold finish
Bracelet: Integrated rose-gold stainless-steel bracelet with polished center accents
Case & Build
Case size: ~39-41 mm
Thickness: ~11–12 mm
Material: 316L stainless steel with rose-gold PVD coating
Finish: Brushed surfaces with polished bevels
Crown: Push-pull crown, rose-gold finished
Caseback: Exhibition (display back)
Movement
Movement: Seiko automatic open-heart (NH38-based or equivalent)
Functions:
– Hours
– Minutes
– Central seconds
– Open-heart display
Hacking: Yes
Hand-winding: Yes
Power reserve: ~41 hours
Frequency: 21,600 bph (3 Hz)
Crystal & Resistance
Crystal: Sapphire crystal (flat)
Water resistance: ~5 ATM (50 m)
