Seiko Cal. 4516 - 666

The 4516-666 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-193dc0c8e6be]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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