Seiko Cal. 6644 - 574

The Seiko 6644-574 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-297aa58ec397]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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