Seiko Cal. 6636 - 471

This Spring Drive model from 1983 features a 35mm Two-Tone case. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-1fc36ca266ca]

Also known as: Rally, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

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