Seiko Cal. 4452 - 978

Seiko 4452-978

The 4452-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4452 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-c74f33803980]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1972

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seikata-wm-c74f33803980