Seiko Cal. 6638 - 575

The 6638-575 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-97f89712c21c]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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