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21-7520
Reference
21-7520
Uncataloged reference
Specifications
Type
N/A
Caliber
21
Design Code
7520
Series
21
Collection
N/A
Depth Rating
N/A
Case Width
N/A
Thickness
N/A
Lug Width
N/A
Nearby Models
Cal. 21
21-7480
21-7510
Parts
12
Dial & Hands
5
Dial
--21-1240S--
Hour Hand
--05A03NSH--
Hour Hand
--05A03NGH--
Minute Hand
--05A03NSM--
Minute Hand
--05A03NGM--
Case & Crystal
4
Crown
--50D05NS--
Crown
--50D05NA--
Crystal
--KOON49AN--
Winding Stem
--351211--
Band & Clasp
1
Push Pin
--C1000S--
General
2
Material
--SS--
Material
--SGP--
Sources
'75 Seiko Casing Parts
pp. 38
21-7520
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