Seiko Cal. 7120 - 685

Seiko 7120-685

The Seiko 7120-685 represents an important milestone in Seiko's 1969 lineup. Powered by the 7120 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-135be2e0c9d0]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Champagne
Jewels
33j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1969

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