Seiko Cal. 4490 - 155

This Spring Drive model from 1977 features a 40mm Titanium case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-a66482abafe9]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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