Seiko Cal. 4415 - 920

The Seiko 4415-920 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3df614385af8]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1966

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