Seiko Cal. 6645 - 607

The Seiko 6645-607 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-ce3e2927a2c5]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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