Seiko Cal. 6644 - 346

The Seiko 6644-346 represents an important milestone in Seiko's 1983 lineup. Powered by the 6644 caliber with 33j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-7280540066d1]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1983

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