Seiko Cal. 4438 - 181

The Seiko 4438-181 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c7981f4a222e]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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