Seiko Cal. 6647 - 564

This Hand-Winding model from 1996 features a 35mm Titanium case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-cd3ff1646811]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

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