Seiko Cal. 4438 - 140

The Seiko 4438-140 represents an important milestone in Seiko's 1977 lineup. Powered by the 4438 caliber with 34j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-f3afa168ea01]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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