Seiko Cal. 6645 - 871

The 6645-871 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6645 caliber with 25j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e47252ea6b08]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1997

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