Seiko Cal. 4548 - 152

This Spring Drive model from 1972 features a 38mm PVD Black case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-eb09510083aa]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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