Seiko Cal. 6645 - 991

The Seiko 6645-991 represents an important milestone in Seiko's 1998 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-7b53d3d57c49]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1998

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