Seiko Cal. 6638 - 479

Seiko 6638-479

The 6638-479 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6638 caliber with 32j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-da9807b64185]

Also known as: UFO

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1994

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seikata-wm-da9807b64185