Seiko Cal. 6638 - 799

This Hand-Winding model from 1971 features a 44mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-27048e4901b7]

Also known as: Pogue, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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