Seiko Cal. 4448 - 371

This Spring Drive model from 1981 features a 44mm Two-Tone case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-6edf5896c626]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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