Seiko Cal. 6638 - 884

Seiko 6638-884

The 6638-884 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-dac9a15b9028]

Also known as: Helmet, Goldfeather

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Cream
Jewels
18j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1975

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