Seiko Cal. 4577 - 657

Seiko 4577-657

The 4577-657 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-648f9e992c01]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1975

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