Seiko Cal. 4478 - 726

Seiko 4478-726

The 4478-726 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4478 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e1abc40cae89]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1988

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