Seiko Cal. 4491 - 928

The Seiko 4491-928 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-31de08ace305]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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