Seiko Cal. 7140 - 715

Seiko 7140-715

The 7140-715 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7140 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b6e2510f4d6a]

Also known as: Turtle, World Timer

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1988

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