Seiko Cal. 4447 - 981

The Seiko 4447-981 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-76ea645fc312]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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