Seiko Cal. 5666 - 723

The Seiko 5666-723 represents an important milestone in Seiko's 1991 lineup. Powered by the 5666 caliber with 24j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-88d4d7bd3a3c]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1991

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