Seiko Cal. 6638 - 429

The 6638-429 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-aff367ead442]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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