Seiko Cal. 5660 - 421

The 5660-421 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-36aad83b1b2c]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1979

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