Seiko Cal. 4430 - 157

Released in 1979, the Cal. 4430 with design code 157 was part of Seiko's domestic market collection. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-61efc483bed6]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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