Seiko Cal. 7120 - 687

Seiko 7120-687

The 7120-687 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1fd700e9e128]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1973

Related Models

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