Seiko Cal. 6645 - 500

The 6645-500 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6645 caliber with 32j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-e6c8288531a3]

Also known as: Pogue, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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