Seiko Cal. 7140 - 247

Seiko 7140-247

The 7140-247 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-10549cb7676f]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1973

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seikata-wm-10549cb7676f