Seiko Cal. 6668 - 788

The Seiko 6668-788 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-e763e85ed63c]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

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