Seiko Cal. 6638 - 104

The 6638-104 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-186b266350cd]

Also known as: UFO, Goldfeather

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1986

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