Seiko Cal. 6645 - 891

The Seiko 6645-891 represents an important milestone in Seiko's 1999 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1ec534219288]

Also known as: Samurai, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1999

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