Seiko Cal. 4424 - 217

This Hand-Winding model from 1976 features a 36mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-15e030b0bc31]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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