Seiko Cal. 4427 - 662

The Seiko 4427-662 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fa47ff133d42]

Also known as: Turtle, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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