DamaskoDA 46$2,150-5.0%JunghansMeister Pilot$2,000-5.0%IWCPilot Chronograph 41$6,900-5.0%IWCBig Pilot Heritage 48$18,500-4.9%BreitlingAVI Ref. 765 1953 Re-Edition$8,800+4.8%IWCPilot Mark XVIII$3,800+4.7%HanhartPioneer MK II$3,400-4.7%BremontArrow Chronograph$3,700-4.6%FortisFlieger F-43 Bicompax$3,900+4.5%OrisBig Crown ProPilot$1,600+4.5%GuinandStarfighter Chronograph$1,800+4.4%HamiltonKhaki Aviation Pilot Day Date$780-4.3%LacoMünster 42 Type B$1,350-4.3%CitizenPromaster Nighthawk$280+4.3%RolexGMT-Master II$16,800+4.2%Sinn857 UTC$2,800+4.1%StowaFlieger Klassik Sport$1,200-4.1%Bell & RossBR V2-94 Aeronavale$4,600-4.1%SeikoProspex Black Series Night Flight$450+4.0%IWCPilot UTC$8,200+4.0%BreitlingPremier B01 Chronograph 42 Norton$8,000+4.0%AlpinaStartimer Pilot Automatic$950-3.9%IWCBig Pilot$13,800-3.9%TutimaGrand Flieger Airport$3,400-3.9%BremontALT1-C Chronograph$4,300+3.8%Sinn903 St Navigation Chronograph$3,200-3.8%ZenithPilot Type 20 Extra Special$5,100-3.8%ZenithPilot Cronometro Tipo CP-2 Flyback$7,200-3.6%LonginesAvigation BigEye$4,100-3.2%Sinn356 Pilot Chronograph$2,600+3.1%DamaskoDA 46$2,150-5.0%JunghansMeister Pilot$2,000-5.0%IWCPilot Chronograph 41$6,900-5.0%IWCBig Pilot Heritage 48$18,500-4.9%BreitlingAVI Ref. 765 1953 Re-Edition$8,800+4.8%IWCPilot Mark XVIII$3,800+4.7%HanhartPioneer MK II$3,400-4.7%BremontArrow Chronograph$3,700-4.6%FortisFlieger F-43 Bicompax$3,900+4.5%OrisBig Crown ProPilot$1,600+4.5%GuinandStarfighter Chronograph$1,800+4.4%HamiltonKhaki Aviation Pilot Day Date$780-4.3%LacoMünster 42 Type B$1,350-4.3%CitizenPromaster Nighthawk$280+4.3%RolexGMT-Master II$16,800+4.2%Sinn857 UTC$2,800+4.1%StowaFlieger Klassik Sport$1,200-4.1%Bell & RossBR V2-94 Aeronavale$4,600-4.1%SeikoProspex Black Series Night Flight$450+4.0%IWCPilot UTC$8,200+4.0%BreitlingPremier B01 Chronograph 42 Norton$8,000+4.0%AlpinaStartimer Pilot Automatic$950-3.9%IWCBig Pilot$13,800-3.9%TutimaGrand Flieger Airport$3,400-3.9%BremontALT1-C Chronograph$4,300+3.8%Sinn903 St Navigation Chronograph$3,200-3.8%ZenithPilot Type 20 Extra Special$5,100-3.8%ZenithPilot Cronometro Tipo CP-2 Flyback$7,200-3.6%LonginesAvigation BigEye$4,100-3.2%Sinn356 Pilot Chronograph$2,600+3.1%

EDITORIAL

Slide Rule2010sUNCOMMON

Sinn 903 St Navigation Chronograph

REF. 903.040

MARKET MID

$3,200

-3.8% 7D-5.8% 30D

SIGN IN TO TRACK

BERG SCORE

96

LIQUIDITY

65

HERITAGE

81

AIRWORTHINESS

70

LEGIBILITY

72

TURBULENCE

57

PRICE HISTORY — 30DEDITORIAL

VALUATION BAND

MSRP$3,250

LOW$2,800

MID$3,200

HIGH$3,600

CHANGE MATRIX

7D

-3.8%

30D

-5.8%

90D

+18.3%

1Y

-26.2%

SPECIFICATIONS

BrandSinn

Model903 St Navigation Chronograph

Reference903.040

FamilyNavigation

CategorySlide Rule

OriginGermany

Era2010s

Dial TypeSlide Rule

MovementAutomatic

Case Size41mm

Case MaterialStainless Steel

Water Resistance100m

Production2015-present

EDITORIAL NOTE

Navitimer alternative. Cockpit legibility excellent.

Forum Hype: 85/100

Updated: 3/11/2026

Source: Editorial / Simulated

COMPARABLE REFERENCES

Breitling Navitimer B01 Chronograph 43

Hamilton Khaki Aviation X-Wind Auto Chrono

Sinn 356 Pilot Chronograph

Hamilton Khaki Aviation Converter Auto

EDITORIAL / SIMULATED DATA2026-03-11 23:06:45 UTC