Seiko Cal. 6636 - 692

This Automatic model from 1966 features a 37mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-0a2c0b5997df]

Also known as: Sumo, Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1966

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