Seiko Cal. 5689 - 903

The Seiko 5689-903 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2e51ba06db30]

Also known as: Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1976

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