Seiko Cal. 6678 - 401

The Seiko 6678-401 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-2b350a212381]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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