Seiko Cal. 6645 - 528

The 6645-528 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-2ea096b5216b]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1997

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