Seiko Cal. 4427 - 912

The Seiko 4427-912 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-e59ee8f19b0d]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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