Seiko Cal. 6646 - 685

This Quartz model from 1979 features a 45mm Two-Tone case. Powered by the 6646 caliber with 25j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-a8b07469d999]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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