Seiko Cal. 6639 - 103

Seiko 6639-103

The 6639-103 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6639 caliber with 36j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-007323f8c21d]

Also known as: Pogue

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
130m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1980

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