Seiko Cal. 4436 - 669

This Spring Drive model from 1966 features a 38mm Two-Tone case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-0f42567cbb01]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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