Side by side
Rolex Cosmograph DaytonavsSeiko Baby Alpinist
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Cosmograph Daytona40mm
Baby Alpinist38mm
Power Reserve
Cosmograph Daytona72h
Baby Alpinist70h
Water Resistance
Cosmograph Daytona100m
Baby Alpinist200m
MSRP
Cosmograph Daytona$42,700
Baby Alpinist$725
Full specifications
Case
9 specsCategory
Chronograph
Field
Diameter
40mm
38mm
Thickness
—
12.9mm
Lug-to-Lug
—
46mm
Lug Width
—
20mm
Material
18kt Yellow Gold
Stainless Steel
Finish
18 kt yellow gold
Brushed and polished
Water Resistance
100m
200m
Caseback
Monobloc middle case, screw-down case back and winding crown
Solid
Crystal & Dial
5 specsCrystal Shape
Flat
Curved
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
Turquoise
Black
Indices
Index
Applied
Lume
Chromalight
LumiBrite on hands and index(es)
Movement
4 specsCaliber
4131
6R35
Power Reserve
72h
70h
Jewels
47
24
Complications
Chronograph
None
Pricing
1 specsMSRP
$42,700
$725
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