Seiko Cal. 4427 - 445

The Seiko 4427-445 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-7c4b4dc4dc75]

Also known as: Turtle, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1982

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