Seiko Cal. 6654 - 521

The 6654-521 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-7fd37af63b2b]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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