Seiko Cal. 4433 - 151

This Spring Drive model from 1967 features a 39mm Two-Tone case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-e1c601887832]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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