Seiko Cal. 4427 - 109

The Seiko 4427-109 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ce3c19c405f8]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

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