Seiko Cal. 6398 - 840

The Seiko 6398-840 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-67547ccf324b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1981

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