Seiko Cal. 4418 - 512

Released in 1965, the Cal. 4418 with design code 512 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5f941d607ba5]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1965

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