Seiko Cal. 6665 - 631

The Seiko 6665-631 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-ea5881efaeaa]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1969

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