Seiko Cal. 7181 - 455

Seiko 7181-455

The 7181-455 is a sought-after Solar piece from Seiko's golden era. Powered by the 7181 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-23337fc1d53b]

Also known as: Sumo, Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
10.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
24j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1983

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