Seiko Cal. 5644 - 418

The Seiko 5644-418 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-7eff4b42f2a6]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1969

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