The Titanium Field Guide

Seiko Astron GPS Solar Dual-Time Chronograph (SSH153)

SSH153J1

The Seiko Astron GPS Solar Dual-Time Chronograph (SSH153) is a 43.3 mm titanium watch with a Seiko 5X83 solar quartz movement.

All Seiko watchesOther watchesUnder $3,000Lightest, rankedSolarWorldtimerPower reservePerpetual calendarGMTChronograph
Price
$2,700
Material
Titanium
Grade / type
Titanium
Weight
117 g
Water resistance
100 m
Reference
SSH153J1
Type
Other
Case diameter
43.3 mm
Thickness
13.4 mm
Lug-to-lug
49.5 mm
Origin
Japan
Movement
GPS Solar
Caliber
Seiko 5X83
Power reserve
6 months (full charge)
Complications
Chronograph, Worldtimer, GMT, Perpetual calendar, Power reserve, Date
Colour
Grey
Surface treatment
Ceramic and titanium bezel
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Metal bracelet with easy-adjust three-fold clasp and push-button release (bracelet material not stated by the maker)
Crystal
Sapphire (dual-curved, super-clear coating)
Display back
No
Dial
Silver-white with black sub-dials
Dial colours
White Silver
Lume
LumiBrite
Availability
Offered
Status
Current
Not published
Hardness, Construction, Matching bracelet
Medium confidence Verified Oct 2026 Source: Seiko (maker)
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Browse all watch comparisons →

Similar watches

Citizen Attesa Blue Universe Satellite Wave GPS F950 (CC4106-74E)CitizenAttesa Blue Universe Satellite Wave GPS F950 (CC4106-74E)$2,43744.0 mm13.7 mm thickOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 (Super Titanium)CitizenAttesa Satellite Wave GPS F950 (Super Titanium)$2,02543.2 mmOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 Gray DLC (Super Titanium)CitizenAttesa Satellite Wave GPS F950 Gray DLC (Super Titanium)$2,02543.2 mmOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 (Super Titanium)CitizenAttesa Satellite Wave GPS F950 (Super Titanium)$2,09044.6 mm111 gOthersame category · same style · similar price · similar sizeCitizen Attesa Black Titanium Eco-Drive GPS (Super Titanium, DLC)CitizenAttesa Black Titanium Eco-Drive GPS (Super Titanium, DLC)$2,09044.6 mm111 gOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 LIGHT in BLACK (Super Titanium, Ti 50th Limited Edition)CitizenAttesa Satellite Wave GPS F950 LIGHT in BLACK (Super Titanium, Ti 50th Limited Edition)$2,19544.6 mmOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 (Super Titanium)CitizenAttesa Satellite Wave GPS F950 (Super Titanium)$2,22544.6 mmOthersame category · same style · similar price · similar sizeCitizen Attesa Satellite Wave GPS F950 Black DLC (Super Titanium)CitizenAttesa Satellite Wave GPS F950 Black DLC (Super Titanium)$2,22544.6 mmOthersame category · same style · similar price · similar size

Alternatives to the Seiko Astron GPS Solar Dual-Time Chronograph (SSH153)

Citizen Attesa Satellite Wave GPS F950 Limited (CC4076-65A)CitizenAttesa Satellite Wave GPS F950 Limited (CC4076-65A)$2,29944.6 mm15.4 mm thick111 gOthersame category · same style · shared complications · similar priceCitizen Attesa Satellite Wave GPS F950 Black Titanium Limited (CC4077-71Z)CitizenAttesa Satellite Wave GPS F950 Black Titanium Limited (CC4077-71Z)$2,43844.6 mm15.4 mm thick111 gOthersame category · same style · shared complications · similar priceCitizen Attesa Satellite Wave GPS F950 (Super Titanium)CitizenAttesa Satellite Wave GPS F950 (Super Titanium)$2,02544.6 mmOthersame category · same style · shared complications · similar priceCitizen Attesa Satellite Wave GPS F950 Black DLC (Super Titanium)CitizenAttesa Satellite Wave GPS F950 Black DLC (Super Titanium)$2,27544.5 mmOthersame category · same style · shared complications · similar priceCitizen Attesa Satellite Wave GPS F950 Limited Edition (Super Titanium)CitizenAttesa Satellite Wave GPS F950 Limited Edition (Super Titanium)$2,29544.6 mmOthersame category · same style · shared complications · similar priceCitizen Attesa Satellite Wave GPS F950 Limited Edition (Super Titanium)CitizenAttesa Satellite Wave GPS F950 Limited Edition (Super Titanium)$2,29544.6 mmOthersame category · same style · shared complications · similar price

More watches from Seiko

Seiko Prospex Shogun Titanium (SPB191)SeikoProspex Shogun Titanium (SPB191)$1,20043.5 mm13.3 mm thick99 gDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB349)$1,50043.5 mmDiverSeiko Prospex SeikoProspex "Cave Diver" Shogun Titanium (SPB351)$1,50043.5 mmDiver
SeikoProspex "Cave Diver" Shogun Titanium (SPB357)$1,50043.0 mmDiverSeiko Prospex Marinemaster Professional 600m Titanium (SBDX067)SeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiverSeiko Prospex LX Line Spring Drive GMT Titanium (SNR035)SeikoProspex LX Line Spring Drive GMT Titanium (SNR035)$5,25044.8 mmOther

Frequently asked questions

What grade of titanium is the Seiko Astron GPS Solar Dual-Time Chronograph (SSH153)?

Titanium, with no grade stated. The caseback is titanium too. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Seiko Astron GPS Solar Dual-Time Chronograph (SSH153)?

The case is 43.3 mm across, 13.4 mm thick and 49.5 mm from lug to lug. It is water resistant to 100 m.

How much does the Seiko Astron GPS Solar Dual-Time Chronograph (SSH153) weigh?

About 117 g.

How much does the Seiko Astron GPS Solar Dual-Time Chronograph (SSH153) cost, and is it available?

It is in production, at a list price of $2,700.

All Seiko watches · Other watches · All 1,871 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work