Seiko Cal. 4456 - 850

Seiko 4456-850

This Hand-Winding model from 1970 features a 45mm Gold-Plated case. Powered by the 4456 caliber with 21j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-df09387f282c]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
9.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Navy
Jewels
21j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1970

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