Seiko Cal. 5638 - 611

Seiko 5638-611

The 5638-611 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5638 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-21ec78699824]

Also known as: Samurai

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
12.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Burgundy
Jewels
17j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1980

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seikata-wm-21ec78699824