Seiko Cal. 4528 - 777

Seiko 4528-777

The 4528-777 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-c8de8bebaa75]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Cream
Jewels
33j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1991

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