Seiko Cal. 6644 - 575

The Seiko 6644-575 represents an important milestone in Seiko's 1999 lineup. Powered by the 6644 caliber with 27j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-7149a1abc78c]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1999

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