Seiko Cal. 6389 - 828

The Seiko 6389-828 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-cb095fbc9a0b]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1983

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