Seiko Cal. 6681 - 606

The Seiko 6681-606 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-174d8a270954]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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