Seiko Cal. 6638 - 833

The Seiko 6638-833 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-90049db7f694]

Also known as: Sea Horse, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1990

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