Seiko Cal. 7140 - 847

Seiko 7140-847

The 7140-847 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-ed97a3812b0a]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
31j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1971

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