Seiko Cal. 6639 - 330

This Hand-Winding model from 1983 features a 35mm Gold-Plated case. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-c7656f714947]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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