Seiko Cal. 4430 - 381

The Seiko 4430-381 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-2d05f878132b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1983

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