Seiko Cal. 6647 - 870

This Spring Drive model from 1969 features a 46mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-9d2ce0bcd28d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1969

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