Seiko Cal. 4577 - 760

Seiko 4577-760

The 4577-760 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-c2ee78acb53d]

Also known as: Bullhead, UFO

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1985

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