Seiko Cal. 7180 - 428

Seiko 7180-428

The Seiko 7180-428 represents an important milestone in Seiko's 1978 lineup. Powered by the 7180 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-84c7e10bd517]

Also known as: Monster, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Champagne
Jewels
23j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1978

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