Seiko Cal. 6644 - 165

The Seiko 6644-165 represents an important milestone in Seiko's 1999 lineup. Powered by the 6644 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-7a64f559c5e1]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1999

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