Seiko Cal. 6638 - 183

The Seiko 6638-183 represents an important milestone in Seiko's 1993 lineup. It features a Cream dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-3ace1cafa73a]

Also known as: Samurai, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

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