Seiko Cal. 4429 - 957

The Seiko 4429-957 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-820ec4070bd9]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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