Seiko Cal. 4487 - 205

The Seiko 4487-205 represents an important milestone in Seiko's 1976 lineup. Powered by the 4487 caliber with 19j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-e7c3fddfff96]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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