Seiko Cal. 4418 - 821

This Hand-Winding model from 1969 features a 38mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-c75ca7d480b6]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1969

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