Seiko Cal. 4431 - 566

The Seiko 4431-566 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-b4b0854c41cd]

Also known as: Turtle, Pogue

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1971

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