Seiko Cal. 4418 - 639

The 4418-639 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-da95dece3f24]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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