Seiko Cal. 4448 - 931

The Seiko 4448-931 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-18373bf7ad90]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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