Seiko Cal. 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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