Seiko Cal. 6644 - 927

The 6644-927 is a sought-after Solar piece from Seiko's golden era. Powered by the 6644 caliber with 35j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-4031b3356ae6]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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