Seiko Cal. 4428 - 364

This Quartz model from 1987 features a 38mm Two-Tone case. Powered by the 4428 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-069ffe8dcdf0]

Also known as: Turtle, Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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