Seiko Cal. 6638 - 128

The Seiko 6638-128 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-dc7acdf4ae58]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1990

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