Seiko Cal. 4576 - 187

Seiko 4576-187

The 4576-187 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-b3c3c2fa3ed5]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1987

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