Seiko Cal. 4442 - 377

Released in 1973, the Cal. 4442 with design code 377 was part of Seiko's domestic market collection. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-d5086e7ca3fd]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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