Seiko Cal. 7121 - 683

Seiko 7121-683

The Seiko 7121-683 represents an important milestone in Seiko's 1971 lineup. Powered by the 7121 caliber with 25j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-f4d2bb6eb38d]

Also known as: Monster, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1971

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