Seiko Cal. 7089 - 637

The Seiko 7089-637 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-9541a6048a8d]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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