Seiko Cal. 6644 - 762

This Spring Drive model from 1987 features a 36mm Stainless Steel case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-39ae2022f023]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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