Seiko Cal. 0744 - 643

The Seiko 0744-643 represents an important milestone in Seiko's 1966 lineup. Powered by the 0744 caliber with 28j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-9636bd6471e9]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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