Seiko Cal. 6660 - 621

The 6660-621 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-c91cd3299edc]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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