Seiko Cal. 6633 - 899

This Automatic model from 1981 features a 38mm Hardlex-Coated Steel case. Powered by the 6633 caliber with 26j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-1714f9a481fc]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1981

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