Seiko Cal. 6656 - 421

This Spring Drive model from 1967 features a 35mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-70c084238951]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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