Seiko Cal. 4427 - 703

The Seiko 4427-703 represents an important milestone in Seiko's 1978 lineup. Powered by the 4427 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-ff49f2598c79]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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