Seiko Cal. 4550 - 790

The 4550-790 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-3ec344ae67c7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1986

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