Seiko Cal. 6656 - 850

This Spring Drive model from 1965 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2adbb1cb0eb9]

Also known as: Pogue, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

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