Seiko Cal. 6651 - 684

The Seiko 6651-684 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-46ce36ed8d0c]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1968

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