Seiko Cal. 4440 - 742

The Seiko 4440-742 represents an important milestone in Seiko's 1972 lineup. Powered by the 4440 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-38f24c02d9fa]

Also known as: Shogun, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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