Seiko Cal. 6640 - 753

The 6640-753 is a sought-after Solar piece from Seiko's golden era. Powered by the 6640 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d78a8e55d979]

Also known as: Pogue, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1994

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