Seiko Cal. 6690 - 488

This Hand-Winding model from 1978 features a 36mm Gold-Plated case. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-78a27c0b28d4]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

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