Seiko Cal. 6645 - 159

The Seiko 6645-159 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-614046ec7cf9]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1990

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