Seiko Cal. 4424 - 647

The Seiko 4424-647 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-048570cb18f2]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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