Seiko Cal. 6638 - 910

This Automatic model from 1993 features a 37mm Two-Tone case. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-d8ce60ae437e]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1993

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