Seiko Cal. 6389 - 647

The Seiko 6389-647 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-2dbde82464cc]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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