Seiko Cal. 5221 - 770

The 5221-770 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-daf579aa8ed9]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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