Seiko Cal. 5639 - 828

Seiko 5639-828

The 5639-828 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5639 caliber with 32j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-2bb7726a7320]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1965

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seikata-wm-2bb7726a7320