Seiko Cal. 6644 - 926

The Seiko 6644-926 represents an important milestone in Seiko's 1972 lineup. Powered by the 6644 caliber with 26j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-5e4db34bd35e]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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