Seiko Cal. 6638 - 101

This Quartz model from 1995 features a 39mm Titanium case. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-7bea266f0645]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1995

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