Seiko Cal. 6644 - 930

This Quartz model from 1983 features a 40mm PVD Black case. Powered by the 6644 caliber with 32j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-2da03705b9f6]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1983

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