Seiko Cal. 4550 - 747

The Seiko 4550-747 represents an important milestone in Seiko's 1991 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7877869f1c45]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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