Seiko Cal. 6639 - 853

This Quartz model from 1975 features a 35mm PVD Black case. Powered by the 6639 caliber with 26j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-d5f08fe55f50]

Also known as: Turtle, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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