Seiko Cal. 6638 - 751

The 6638-751 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-348717e4bea2]

Also known as: Pogue, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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