Seiko Cal. 4577 - 409

Seiko 4577-409

The 4577-409 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-3e9a64b5f051]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
35mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1985

Related Models

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