Seiko Cal. 6644 - 605

The Seiko 6644-605 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-edcbd49db1b3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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