Seiko Cal. 4487 - 775

The Seiko 4487-775 represents an important milestone in Seiko's 1991 lineup. Powered by the 4487 caliber with 36j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-e48122ee1841]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1991

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