Seiko Cal. 6684 - 651

The Seiko 6684-651 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-39332e6b8b3b]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

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