Seiko Cal. 4443 - 857

The Seiko 4443-857 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b4751c0ff3ff]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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