Seiko Cal. 6690 - 806

This Hand-Winding model from 1965 features a 46mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-db469d31aeab]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1965

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