Seiko Cal. 6634 - 893

The Seiko 6634-893 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-91aef1ccb664]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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