Seiko Cal. 4430 - 851

The Seiko 4430-851 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4dffc94ae033]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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