Seiko Cal. 4430 - 851

Released in 1988, the Cal. 4430 with design code 851 was part of Seiko's domestic market collection. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-3673641db9ae]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1988

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