Seiko Cal. 4451 - 988

The Seiko 4451-988 represents an important milestone in Seiko's 1981 lineup. Powered by the 4451 caliber with 22j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-364b1e97d2ad]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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