Seiko Cal. 3840 - 128

This Quartz model from 1986 features a 42mm PVD Black case. Powered by the 3840 caliber with 34j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-3ba30f1f39d4]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1986

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