Seiko Cal. 4415 - 640

Seiko 4415-640

The 4415-640 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-6a485c6cf0a9]

Also known as: Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1978

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