Seiko Cal. 6639 - 521

This Automatic model from 1968 features a 44mm Titanium case. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-decf4e7f1775]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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