Seiko Cal. 4550 - 987

Seiko 4550-987

The 4550-987 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-69e36ea7849b]

Also known as: Crown

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Black
Jewels
22j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1981

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