Seiko Cal. 6645 - 887

The 6645-887 is a sought-after Quartz piece from Seiko's golden era. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-172edd9ddd5c]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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