Seiko Cal. 6638 - 798

Seiko 6638-798

The 6638-798 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f9a2fbb4d9e5]

Also known as: Pogue, Bullhead

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
21j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1998

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