Seiko Cal. 4577 - 738

The Seiko 4577-738 represents an important milestone in Seiko's 1971 lineup. Powered by the 4577 caliber with 29j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-e26e6a4aaaaf]

Also known as: Shogun, UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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