Seiko Cal. 4429 - 255

Released in 1970, the Cal. 4429 with design code 255 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-f71d9317b184]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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