Seiko Cal. 4491 - 452

The Seiko 4491-452 represents an important milestone in Seiko's 1989 lineup. Powered by the 4491 caliber with 36j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-effaf885f4b5]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1989

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