Seiko Cal. 6638 - 641

The Seiko 6638-641 represents an important milestone in Seiko's 1993 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-115b864fb3f6]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1993

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