Seiko Cal. 4471 - 730

The Seiko 4471-730 represents an important milestone in Seiko's 1984 lineup. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-cf10ea09d814]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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