Seiko Cal. 7089 - 663

The Seiko 7089-663 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5e101c6cd67a]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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