Seiko Cal. 6644 - 353

This Quartz model from 1977 features a 45mm Two-Tone case. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-e12b54956adc]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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