Seiko Cal. 7140 - 436

Seiko 7140-436

The 7140-436 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7140 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-57eca2902ab4]

Also known as: Panda, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1966

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seikata-wm-57eca2902ab4