Seiko Cal. 4550 - 900

This Spring Drive model from 1982 features a 42mm Titanium case. Powered by the 4550 caliber with 32j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-94a2f912cabc]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1982

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