Ruhla
Space Control "Sigmund Jähn 1978" Automatic
- Same 40 mm case diameter
What changes
Compare models Automatic movement instead of solar. 1 mm thicker case
Watch alternatives
Alternatives to the Ruhla Space Control Solar Power Reserve
Keep what you like. Explore what could be different. Compare 48 catalog matches by dimensions, movement and price.
- Case diameter
- 40 mm
- Lug-to-lug
- Not recorded
- Movement
- Solar
- Catalog MSRP
- $438
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchRuhla Space Control "Sigmund Jähn 1978" AutomaticSame 40 mm case diameterSee the match Lower recorded MSRPSpecht & Sohne Specht & Söhne SP0027Q Quartz$124 recorded MSRP, $314 lowerSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD. Missing measurements stay unknown.
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Narrow these matches without leaving the page.
ColorwayPick a colorway to match a specific dial
48 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Ruhla
Space Control Automatic Open Heart
- Same 40 mm case diameter
What changes
Compare models Automatic movement instead of solar. 1 mm thicker case
Specht & Sohne
Specht & Söhne SP0027Q Quartz
- $124 recorded MSRP, $314 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 3.8 mm thinner case
Swiss Military Hanowa
HELVETICA
- $312 recorded MSRP, $126 lower
- 41 mm case, 1 mm wider
What changes
Quartz movement instead of solar
Minus-8
Diver 1T Solar
- $348 recorded MSRP, $90 lower
- 42 mm case, 2 mm wider
- Both use solar movements
What changes
1.2 mm thicker case
Ruhla
Space Control Solar
- $415 recorded MSRP, $23 lower
- 35 mm case, 5 mm narrower
- Both use solar movements
What changes
Compare models 2 mm thinner case
Erebus Watches
ASCENT HAQ 41 Pistachio
- $429 recorded MSRP, $9 lower
- 41 mm case, 1 mm wider
What changes
Quartz movement instead of solar. 1 mm thinner case
Nite Watches
Alpha
- 42 mm case, 2 mm wider
What changes
Quartz movement instead of solar. 0.9 mm thicker case
Nite Watches
ATLAS POLAR
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 1 mm thinner case
AV86
1960 Racing Chronograph
- $399 recorded MSRP, $39 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 0.7 mm thicker case
D1 Milano
Ultra Thin Bracelet 39 mm
- $375 recorded MSRP, $63 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of solar
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Tissot
PRX 41mm
- 41 mm case, 1 mm wider
What changes
Quartz movement instead of solar. 0.3 mm thinner case
Seiko
Essentials Chronograph
- $415 recorded MSRP, $23 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 0.5 mm thinner case
Casio
EFK-110D
- $300 recorded MSRP, $138 lower
- 38 mm case, 2 mm narrower
What changes
Quartz movement instead of solar. 0.2 mm thinner case
Citizen
The Fantastic 4: First Steps
- 39 mm case, 1 mm narrower
- Both use solar movements
What changes
$469 recorded MSRP, $31 higher
Tissot
PR516
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 0.2 mm thicker case
Citizen
PRT
- $350 recorded MSRP, $88 lower
- 42 mm case, 2 mm wider
- Both use solar movements
What changes
1 mm thinner case
Tissot
PR 100
- $325 recorded MSRP, $113 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 3.8 mm thinner case
Citizen
Zenshin Three-Hand
- $394 recorded MSRP, $44 lower
- 39 mm case, 1 mm narrower
- Both use solar movements
What changes
Lug-to-lug is not recorded for this match.
Glycine
Unisex Airpilot 41mm Automatic Watch GL0511
- 41 mm case, 1 mm wider
What changes
Automatic movement instead of solar. 0.8 mm thinner case
Timex
Q Timex Continental GMT 39mm Stainless Steel Bracelet Watch
- $219 recorded MSRP, $219 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of solar. 3 mm thinner case
Seiko
TiCTAC 40th Anniversary SZSB032
- Same 40 mm case diameter
What changes
Automatic movement instead of solar. 1 mm thinner case
Cheaper alternatives· 12
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Casio
EFB-730D
- $165 recorded MSRP, $273 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 1 mm thinner case
Casio
Edifice EFK-100D
- 39 mm case, 1 mm narrower
What changes
Automatic movement instead of solar. 0.5 mm thicker case
Casio
GMA-P2100
- $110 recorded MSRP, $328 lower
- 40.2 mm case, 0.2 mm wider
What changes
Quartz movement instead of solar. 0.8 mm thinner case
Mondaine
Classic
- $188 recorded MSRP, $251 lower
- Same 40 mm case diameter
What changes
Quartz movement instead of solar
Timex
Waterbury Classic Sub-Second 39mm Leather Strap Watch
- $189 recorded MSRP, $249 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of solar
Timex
Waterbury Metropolitan Sub-Second 39mm Leather Strap Watch
- $199 recorded MSRP, $239 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of solar
Timex
Expedition 39mm Fabric Strap Watch - T48042
- $91 recorded MSRP, $347 lower
- 39 mm case, 1 mm narrower
What changes
Quartz movement instead of solar
Mondaine
Classic 36mm
- $188 recorded MSRP, $251 lower
- 36 mm case, 4 mm narrower
What changes
Quartz movement instead of solar
Bulova
Classic Roman
- $205 recorded MSRP, $233 lower
- 41 mm case, 1 mm wider
What changes
Quartz movement instead of solar. 6 mm thinner case
Seiko
SNK355k1
- $145 recorded MSRP, $293 lower
- 37 mm case, 3 mm narrower
What changes
Automatic movement instead of solar
Citizen
Garrison
- $206 recorded MSRP, $232 lower
- 43 mm case, 3 mm wider
- Both use solar movements
What changes
Lug-to-lug is not recorded for this match.
Swatch
Hepcat
- $200 recorded MSRP, $238 lower
- 42 mm case, 2 mm wider
What changes
Quartz movement instead of solar. 5.3 mm thinner case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Grand Seiko
SBGP009
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 1.4 mm thinner case
Grand Seiko
SBGV245
- Same 40 mm case diameter
What changes
Quartz movement instead of solar. 0.2 mm thinner case
Victorinox
Concept One Solar
- 39 mm case, 1 mm narrower
- Both use solar movements
What changes
1 mm thinner case. $900 recorded MSRP, $462 higher
Frederique Constant
Highlife Automatic Cosc
- 39 mm case, 1 mm narrower
What changes
Automatic movement instead of solar. 1.7 mm thinner case
Tissot
Gentleman Open Heart
- Same 40 mm case diameter
What changes
Automatic movement instead of solar. 0.5 mm thinner case
Bell & Ross
05 HOROLUM
- Same 40 mm case diameter
What changes
Automatic movement instead of solar. $5,700 recorded MSRP, $5,262 higher
Seiko
Astron GPS Solar 2025 Limited Edition
- 42 mm case, 2 mm wider
What changes
Quartz movement instead of solar. $2,400 recorded MSRP, $1,962 higher
Citizen
The Citizen Limited Edition
- Same 40 mm case diameter
- Both use solar movements
What changes
$2,995 recorded MSRP, $2,557 higher
Bell & Ross
BR-X5
- 41 mm case, 1 mm wider
What changes
Automatic movement instead of solar. $9,200 recorded MSRP, $8,762 higher
Junghans
Meister MEGA Solar
- 38 mm case, 2 mm narrower
- Both use solar movements
What changes
3 mm thinner case. $1,480 recorded MSRP, $1,042 higher
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