Seiko Cal. 7157 - 578

Seiko 7157-578

The 7157-578 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-b7626741bfc8]

Also known as: Navigator, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1970

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