Seiko Cal. 6634 - 203

This Quartz model from 1973 features a 38mm Titanium case. Powered by the 6634 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-a3f0f9e2511a]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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