Seiko Cal. 6644 - 817

This Quartz model from 1970 features a 44mm Titanium case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-ae2dc2f78a70]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1970

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