Seiko Cal. 6391 - 166

This Quartz model from 1966 features a 34mm PVD Black case. Powered by the 6391 caliber with 19j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-e093f328a369]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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