Astron SSH153J1

Movement

Caliber Number

5X83

Movement Type

GPS solar

Precision

±15 seconds per month (±1 second per day)

Power reserve

Operating for approx. 6 months (when fully charged), power save: approx. 2 years

Jewels

14

Functions

• Overcharge prevention function
• Power save function
• Chronograph up to 12 hours in 1/20 second increments
• Perpetual calendar to the February 28, 2100
• World time function (38 cities)
• Dual-time function
• Day display
• Power reserve indicator
• Time transfer function (Switching between the main-dial and sub-dial)
• GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
• Satellite acquisition status display function
• Reception result display function
• DST (Daylight Saving Time)
• Function to prevent the GPS signal reception (in-flight mode)
• Automatic hand position alignment function

Case/Band

Case Material

Titanium with ceramic/titanium bezel

Case Size

Thickness:13.4mm
Diameter:43.3mm
Lug-to-lug:49.5mm

Crystal

Dual-curved sapphire crystal

Crystal Coating

Super-clear coating

LumiBrite

Lumibrite on hands and index(es)

Clasp

Three-fold clasp with push button release

Distance between lugs

14mm

Other Details

Water Resistance

10 bar

Magnetic Resistance

4,800 A/m

Features

• Allergy-safe metal
• Clasp with Smart Adjuster function
• Screw case back

Explore more of the Seiko Astron collection or view more timepieces here.