Seiko Cal. 6364 - 978

The Seiko 6364-978 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-32bb9a8f75c9]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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