Seiko Cal. 4578 - 509

Seiko 4578-509

The 4578-509 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2540412c57c6]

Also known as: Tuna, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1968

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seikata-wm-2540412c57c6