Seiko Cal. 4415 - 210

The Seiko 4415-210 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-61d7d38b6777]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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