Seiko Cal. 4427 - 135

The 4427-135 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4427 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-fc5ee911ca27]

Also known as: Turtle, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1992

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