Seiko Cal. 6645 - 581

The Seiko 6645-581 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-9009b061d99a]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

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