Seiko Cal. 6644 - 230

The Seiko 6644-230 represents an important milestone in Seiko's 1973 lineup. Powered by the 6644 caliber with 33j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-9d1cad5e062e]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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