Seiko Cal. 6645 - 945

This Spring Drive model from 1999 features a 42mm Titanium case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-2b87843a9e22]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1999

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