Seiko Cal. 4550 - 368

This Quartz model from 1978 features a 42mm Titanium case. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-b11a519884ef]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1978

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